Page 1 Maintenance and Service Guide HP Compaq nx7300 and nx7400 Notebook PC Document Part Number: 410775-002 March 2007 This guide is a troubleshooting reference used for maintaining and servicing the computer. It provides comprehensive information on identifying computer features, components, and spare parts;...
Page 2 Hewlett-Packard Company under license. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
Page 3 Safety warning notice WARNING: To reduce the possibility of heat-related injuries or of Å overheating the computer, do not place the computer directly on your lap or obstruct the computer air vents. Use the computer only on a hard, flat surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block airflow.
Page 4: Table Of Contents
1 Product Description 1.1 Features ........1–2 1.2 Resetting the Computer.
Page 5 Contents 3 Illustrated Parts Catalog 3.1 Serial Number Location ..... . 3–1 3.2 Computer Major Components....3–2 3.3 Plastics Kit .
Page 6 Contents 5 Removal and Replacement Procedures 5.1 Serial Number ......5–2 5.2 Disassembly Sequence Chart .
Page 7: Specifications
Contents 6 Specifications A Screw Listing B Backup and Recovery in Windows Vista C Backup and Recovery in Windows XP D Display Component Recycling E Connector Pin Assignments F Power Cord Set Requirements Index Maintenance and Service Guide...
Page 8: Product Description
Product Description The HP Compaq nx7300 and nx7400 Notebook PC offers advanced modularity, Intel® Core™ Duo, Core Solo, Celeron®, and Celeron M processors, and extensive multimedia support. HP Compaq dx7300 and nx7400 Notebook PC Maintenance and Service Guide 1–1...
Page 9: Features
Product Description 1.1 Features ■ The following processors, varying by computer model: ❏ Intel Core Duo T7600 (2.33-GHz) processor ❏ Intel Core Duo T7400 (2.16-GHz) processor ❏ Intel Core Duo T7200 (2.0-GHz) processor ❏ Intel Core Duo T5600 (1.83-GHz) processor ❏...
Page 10 ■ 120-, 100-, 80-, 60-, and 40-GB high-capacity hard drives, varying by computer model ■ 256-MB DDR2 synchronous DRAM (SDRAM) at 533 MHz and 667 MHz, expandable to 4.0 GB ■ Microsoft® Windows® XP Professional ■ Full-size Windows keyboard with numeric keypad ■...
Page 11 Product Description ■ Connectors: ❏ Accessory battery ❏ Audio-in (microphone) ❏ Audio-out (headphone) ❏ Docking connector ❏ External monitor ❏ IEEE 1394 ❏ RJ-11 (modem) ❏ RJ-45 (network) ❏ S-Video-out ❏ Smart Adapter power ❏ Three Universal Serial Bus (USB) v. 2.0 1–4 Maintenance and Service Guide...
Page 12: Resetting The Computer
1.2 Resetting the Computer If the computer you are servicing has an unknown password, follow the steps below to reset the password. These steps also clear CMOS. ✎ The following steps will not clear an unknown password if the stringent security option has been enabled in the BIOS. If stringent security is enabled, the system board must be replaced to reset an unknown password.
Page 13: Power Management
Product Description 1.3 Power Management The computer comes with power management features that extend battery operating time and conserve power. The computer supports the following power management features: ■ Standby ■ Hibernation ■ Setting customization by the user ■ Hotkeys for setting the level of performance ■...
Page 14: External Components
Bluetooth® device, is turned on. ■ On: The computer is on. ■ Blinking: The computer is in standby. ■ Blinking rapidly: An HP Smart AC Adapter with a higher power rating should be connected. ■ Off: The computer is off or in hibernation.
Page 15 Product Description Front Components (Continued) Item Component Battery light Drive light Display release latch 1–8 Table 1-1 Function ■ Amber: A battery is charging. ■ Green: A battery is close to full charge capacity. ■ Blinking amber: A battery that is the only available power source has reached a low-battery condition.
Page 16: Right-Side Components
The external components on the right side of the computer are shown below and described in Table 1-2. Right-Side Components Item Component Audio-out (headphone) jack Audio-in (microphone) jack Optical drive USB ports (2) Maintenance and Service Guide Table 1-2 Right-Side Components Function Produces computer sound when connected to optional power stereo speakers,...
Page 17: Rear Panel Components
Product Description The external components on the rear panel of the computer are shown below and described in Table 1-3. Rear Panel Components Item Component Battery bay Smart adapter power connector External monitor port 1–10 Table 1-3 Rear Panel Components Function Holds a battery.
Page 18: Left-Side Components
The external components on the left side of the computer are shown below and described in Table 1-4. Left-Side Components Item Component Security cable slot RJ-45 (network) jack Maintenance and Service Guide Table 1-4 Left-Side Components Function Attaches an optional security cable to the computer.
Page 19 Product Description Left-Side Components (Continued) Item Component RJ-11 (modem) jack Exhaust vent 1394 port USB port PC Card slot 1–12 Table 1-4 Function Connects the modem cable. Provides airflow to cool internal components. Connects an optional 1394a device such as a scanner, digital camera, or digital camcorder.
Page 20 Product Description The standard keyboard components of the computer are shown below and described in Table 1-5. Standard Keyboard Components Maintenance and Service Guide 1–13...
Page 21 Product Description Standard Keyboard Components Item Component f1 to f12 keys (12) caps lock key fn key Windows logo key Windows applications key Arrow keys Keypad keys num lock key 1–14 Table 1-5 Function Perform system and application tasks. When combined with the fn key, several keys and buttons perform additional tasks as hotkeys.
Page 22 Product Description The computer top components are shown below and described in Table 1-6. Top Components Maintenance and Service Guide 1–15...
Page 23: Top Components
Product Description Item Component Stereo speakers (2) Power button Display lid switch Wireless button Caps lock light Num lock light Volume mute button Volume down button Volume up button 1–16 Table 1-6 Top Components Function Produce stereo sound. When the computer is: ■...
Page 24 Product Description The computer TouchPad components shown below and described in Table 1-7. TouchPad Components Maintenance and Service Guide 1–17...
Page 25: Touchpad Components
Product Description Item Component TouchPad TouchPad buttons TouchPad scroll zone 1–18 Table 1-7 TouchPad Components Function Moves the pointer and selects or activates items on the screen. Can be set to perform other mouse functions, such as scrolling, selecting, and double-clicking. Function like the left, middle, and right buttons on an external mouse.
Page 26: Bottom Components
Function Holds the battery. Secure the battery in the battery bay. Connects an optional HP Ultra-Capacity Battery or HP Extended Life Battery. Contains one memory slot that supports replaceable memory modules. Holds the primary hard drive. Provides airflow to cool internal components.
Page 27: Design Overview
Product Description 1.5 Design Overview This section presents a design overview of key parts and features of the computer. Refer to to identify replacement parts, and Replacement Procedures,” The system board provides the following device connections: ■ Audio ■ Display ■...
Page 28: Troubleshooting
WARNING: Only authorized technicians trained by HP should repair Å this equipment. All troubleshooting and repair procedures are detailed to allow only subassembly-/module-level repair. Because of the complexity of the individual boards and subassemblies, do not attempt to make repairs at the component level or modifications to any printed wiring board.
Page 29: Navigating And Selecting In Computer Setup
Troubleshooting To start Computer Setup: 1. Turn on or restart the computer. 2. Before Windows® opens and while the “F10=ROM Based Setup” message is displayed in the lower-left corner of the screen, press Using Computer Setup Navigating and selecting in Computer Setup The information and settings in Computer Setup are accessed from the File, Security, Diagnostics, and System Configuration menus.
Page 30: Restoring Factory Settings In Computer Setup
3. To exit Computer Setup, choose one of the following methods: ❏ To exit Computer Setup without saving your preferences, use the arrow keys to select File > Ignore Changes and Exit. Then follow the instructions on the screen. ❏ To save your preferences and exit Computer Setup, use the arrow keys to select File >...
Page 31: File Menu
Troubleshooting Computer Setup Menus The menu tables in this section provide an overview of Computer Setup options. ✎ Some of the Computer Setup menu items listed in this chapter may not be supported by your computer. File Menu Select System Information Restore defaults Ignore changes and exit Cancel any changes entered during the current Save changes and exit...
Page 32: Security Menu
Security Menu Select Setup password Power-On password Password options DriveLock passwords Smart Card security Maintenance and Service Guide Table 2-2 Security Menu To do this Enter, change, or delete a setup password. Enter, change, or delete a power-on password. ■ Enable/disable stringent security. ■...
Page 33 Troubleshooting Select TPM Embedded Security System IDs Disk Sanitizer 2–6 Table 2-2 Security Menu (Continued) To do this Enable/disable support for TPM (Trusted Platform Module) Embedded Security, which protects the computer from unauthorized access to owner functions available in Embedded Security for ProtectTools.
Page 34: Diagnostics Menu
Diagnostics Menu Select Hard Drive Self-Test options Memory Check Startup Check (select models only) System Configuration Menu ✎ Some of the listed System Configuration options may not be supported by your computer. Select Language (or press Boot options Maintenance and Service Guide Table 2-3 Diagnostics Menu To do this...
Page 35 Troubleshooting System Configuration Menu ( Continued ) Select Device Configurations 2–8 Table 2-4 To do this ■ Swap the functions of the ■ Enable/disable multiple standard pointing devices at startup. (To set the computer to support only a single, usually nonstandard, pointing device at startup, select Disable.) ■...
Page 36 To do this ■ Choose Bit-shift or LBA assisted HDD Translation Mode. ■ Enable/disable Windows direct application launcher. ■ Enable/disable HP Lockout. ■ Enable/disable embedded WWAN Device Radio. ■ Enable/disable embedded WLAN Device Radio ■ Enable/disable embedded Bluetooth Radio. ■ Enable/disable LAN/WLAN Switching. When enabled, switches to a WLAN when a LAN is either unavailable or disconnected.
Page 37: Troubleshooting Flowcharts
Troubleshooting 2.2 Troubleshooting Flowcharts Troubleshooting Flowcharts Overview Flowchart Description “Flowchart 2.1—Initial Troubleshooting” “Flowchart 2.2—No Power, Part 1” “Flowchart 2.3—No Power, Part 2” “Flowchart 2.4—No Power, Part 3” “Flowchart 2.5—No Power, Part 4” “Flowchart 2.6—No Video, Part 1” “Flowchart 2.7—No Video, Part 2” “Flowchart 2.8—Nonfunctioning Docking Device (if applicable)”...
Page 38: Flowchart 2.1—Initial Troubleshooting
Flowchart 2.1—Initial Troubleshooting Begin troubleshooting. Is there power? Beeps, LEDs, or error messages? Is there video? (no boot) Is the OS loading? Is there sound? Maintenance and Service Guide Go to “Flowchart 2.2—No Power, Part 1.” Check LED board, speaker connections.
Page 39: Flowchart 2.2—No Power, Part
Troubleshooting Flowchart 2.2—No Power, Part 1 No power (power LED is off). Remove from docking device (if applicable). Power up on battery power? Power up on AC power? Power up in docking device? 1. Reset the power cables in the docking device and at the AC outlet.
Page 40: Flowchart 2.3—No Power, Part
Flowchart 2.3—No Power, Part 2 Continued from “Flowchart 2.2—No Power, Part 1.” Visually check for debris in battery socket and clean if necessary. Power on? Check battery by recharging it, moving it to another computer, or replacing it. Power on? Done Maintenance and Service Guide Done...
Page 41: Flowchart 2.4—No Power, Part
Troubleshooting Flowchart 2.4—No Power, Part 3 Continued from “Flowchart 2.3—No Power, Part 2.” Plug directly into AC outlet. Power LED Reseat AC adapter in computer and at power source. Power on? Power outlet active? Replace power cord. Power on? 2–14 Done Done Internal or...
Page 42: Flowchart 2.5—No Power, Part
Flowchart 2.5—No Power, Part 4 Continued from “Flowchart 2.4—No Power, Part 3.” Open computer. Loose or damaged parts? Close computer and retest. Power on? Done Maintenance and Service Guide Reseat loose components and boards and replace damaged items. Replace the following items (if applicable). Check computer operation after each replacement: 1.
Page 43: Flowchart 2.6—No Video, Part
Troubleshooting Flowchart 2.6—No Video, Part 1 No video. Docking Device Stand-alone or docking device? Stand-alone Internal or external display*? Internal External Adjust brightness. Video OK? Replace the following one at a time. Test after each replacement. Check for bent pins on cable. Video OK? Done 2–16...
Page 44: Flowchart 2.7—No Video, Part
Flowchart 2.7—No Video, Part 2 Continued from “Flowchart 2.6—No Video, Part 1.” Remove computer from docking device, if connected. Adjust display brightness. Video OK? Check that computer is properly seated in docking device, for bent pins on cable, and for monitor connection.
Page 45 Troubleshooting Flowchart 2.8—Nonfunctioning Docking Device (if applicable) Nonfunctioning docking device. Reset power cord in docking device and power outlet. Check voltage setting on docking device. Reset monitor cable connector at docking device. Docking device operating? Replace docking device. 2–18 Reinstall computer into docking device.
Page 46 Flowchart 2.9—No Operating System (OS) Loading No OS loading.* Reset power cord in docking device and power outlet. *NOTE: Before beginning troubleshooting, always check cable connections, cable ends, and drives for bent or damaged pins. Maintenance and Service Guide No OS loading from hard drive, go to “Flowchart 2.10—No OS Loading, Hard Drive, Part 1.”...
Page 47 Troubleshooting Flowchart 2.10—No OS Loading, Hard Drive, Part 1 OS not loading from hard drive. Nonsystem disk message? Reseat external hard drive. OS loading? Boot from Check the Setup utility for correct booting order. Boot from hard drive? Done 2–20 Go to “Flowchart 2.11—No OS...
Page 48 Flowchart 2.1 1—No OS Loading, Hard Drive, Part 2 Continued from “Flowchart 2.10—No OS Loading, Hard Drive, Part 1.” 1. Replace CD or diskette in 2. Replace system drive? Remove diskette and reboot. Boot from hard drive? Boot 2.13—No OS from diskette drive? Diskette Drive.”...
Page 49 Troubleshooting Flowchart 2.12—No OS Loading, Hard Drive, Part 3 Continued from “Flowchart 2.11—No OS Loading, Hard Drive, Part 2.” System files on hard drive? Virus hard drive? Run SCANDISK and check for bad sectors. Can bad sectors be fixed? Fix bad sectors.
Page 50: Flowchart 2.13—No Os Loading, Diskette Drive
Flowchart 2.13—No OS Loading, Diskette Drive OS not loading from diskette drive. Nonsystem disk message? Boot from another device? Diskette drive enabled in the Setup Utility? Is diskette drive boot order correct? Change boot priority using 2.17—Nonfunctioning the Setup Utility. Maintenance and Service Guide Reseat diskette drive.
Page 51: Flowchart 2.14—No Os Loading, Optical Drive
Troubleshooting Flowchart 2.14—No OS Loading, Optical Drive No OS loading from CD-ROM or DVD-ROM drive. Boots from CD or DVD? Reseat drive. 2–24 Disc in drive? Install bootable disc. bootable disc. Done Boots from CD or DVD? Booting from another 2.17—Nonfunctioning device? Reset the computer.
Page 52: Flowchart 2.15—No Audio, Part
Flowchart 2.15—No Audio, Part 1 No audio. Computer in docking device (if applicable)? Go to “Flowchart 2.16—No Audio, Part 2.” 2.17—Nonfunctioning Maintenance and Service Guide Turn up audio internally or externally. Undock docking device. Go to “Flowchart Device.” Troubleshooting Audio? Done Go to Internal...
Page 53: Flowchart 2.16—No Audio, Part
Troubleshooting Flowchart 2.16—No Audio, Part 2 Continued from “Flowchart 2.15—No Audio, Part 1.” Audio driver in OS configured? Correct drivers for application? Connect to external speaker. Audio? 2–26 Reload audio drivers. Load drivers and set configuration in OS. Replace audio board and speaker connections...
Page 54: Flowchart 2.17—Nonfunctioning Device
Flowchart 2.17—Nonfunctioning Device Unplug the nonfunctioning device from the computer and inspect cables and plugs for bent or broken pins or Clear CMOS. Reattach device. Close computer, plug in power, and reboot. Device boots properly? Done Maintenance and Service Guide Nonfunctioning device.
Page 55: Flowchart 2.18—Nonfunctioning Keyboard
Troubleshooting Flowchart 2.18—Nonfunctioning Keyboard Keyboard not operating properly. Connect computer to good external keyboard. External device works? Reseat internal keyboard connector (if applicable). Done 2–28 Replace system board. Replace internal keyboard or cable. Replace system board. Done Maintenance and Service Guide...
Page 56: Flowchart 2.19—Nonfunctioning Pointing Device
Flowchart 2.19—Nonfunctioning Pointing Device Pointing device not operating properly. Connect computer to good external pointing device. External device works? Reseat internal pointing device connector (if applicable). Done Maintenance and Service Guide Replace system board. Replace internal pointing device or cable. Replace system board.
Page 57 Troubleshooting Flowchart 2.20—No Network/Modem Connection No network or modem connection. Network or modem jack active? Digital line? NIC/modem configured in OS? Disconnect all power from the computer and open. Reseat NIC/modem (if applicable). 2–30 Replace jack or have jack activated. Connect to nondigital line.
Page 58: Illustrated Parts Catalog
Illustrated Parts Catalog This chapter provides an illustrated parts breakdown and a reference for spare part numbers. 3.1 Serial Number Location When ordering parts or requesting information, provide the computer serial number and computer model number located on the bottom of the computer. Serial Number Location Maintenance and Service Guide 3–1...
Page 59: Computer Major Components
Illustrated Parts Catalog 3.2 Computer Major Components Computer Major Components 3–2 Maintenance and Service Guide...
Page 60 Spare Parts: Computer Major Components Item Description Display assemblies (include wireless antenna transceivers and cables) 15.4-inch, WSXGA+ with BrightView 15.4-inch, WSXGA+ 15.4-inch, WXGA+ Switch cover (includes LED board and LED bd cable) Keyboards (include keyboard cable), for use in: Brazil Czech Republic Denmark France...
Page 61 Illustrated Parts Catalog Computer Major Components 3–4 Maintenance and Service Guide...
Page 62 Spare Parts: Computer Major Components (Continued) Item Description Heat sink (includes thermal paste) Processors (include thermal paste) For full-featured models: Intel Core Duo T2600 (2.17-GHz) processor Intel Core Duo T2500 (2.00-GHz) processor Intel Core Duo T2400 (1.83-GHz) processor Intel Core Duo T2300 (1.67-GHz) processor Intel Core Solo T1300 (1.66-GHz) processor Intel Celeron M 420 (1.60-GHz) processor Intel Celeron M 410 (1.46-GHz) processor...
Page 63 Illustrated Parts Catalog Computer Major Components 3–6 Maintenance and Service Guide...
Page 64 Spare Parts: Computer Major Components (Continued) Item Description Mini Card modules 802.11b/g HS WLAN module for use in North America 802.11b/g HS WLAN module for use in the countries or regions listed below. These countries or regions are categorized as the rest of the world (ROW). China Ecuador Haiti...
Page 65 Illustrated Parts Catalog Computer Major Components 3–8 Maintenance and Service Guide...
Page 66 Spare Parts: Computer Major Components (Continued) Item Description Mini Card modules (Continued) 802.11a/b/g GL WLAN module for use in the countries or regions listed below. These countries or regions are categorized as most of the world (MOW 2). Aruba Austria Azerbaijan Bahrain Belgium...
Page 67 Illustrated Parts Catalog Computer Major Components 3–10 Maintenance and Service Guide...
Page 68 Spare Parts: Computer Major Components (Continued) Item Description Mini Card modules (Continued) 802.11b/g GL WLAN module for use in the following countries or regions: Israel Jordan Memory modules, 1-DIMM PC2-5300 1024 MB 512 MB 256 MB Modem module For full-featured models For defeatured models System board (includes RTC battery) For full-featured model...
Page 69 Illustrated Parts Catalog Computer Major Components 3–12 Maintenance and Service Guide...
Page 70 Spare Parts: Computer Major Components (Continued) Item Description USB/audio board (includes USB board cable and audio board cable) Base enclosure For full-featured model For defeatured model Bluetooth® module (includes Bluetooth module cable) Batteries 6-cell, 4.8-AH 6-cell, 4.0-AH Hard drives 7200 rpm 100 GB Maintenance and Service Guide Table 3-1...
Page 71: Plastics Kit
Illustrated Parts Catalog 3.3 Plastics Kit 3–14 Maintenance and Service Guide...
Page 72 Spare Part Number Information Item Description Plastics Kit Includes: Memory module compartment cover (includes 1 captive screw, captured by a C-clip) Bluetooth module cover (includes 1 captive screw, captured by a C clip) Computer feet (8) PC Card slot bezel Hard drive cover (includes 2 captive screws, captured by C-clips) Maintenance and Service Guide Table 3-2...
Page 73: Mass Storage Devices
Illustrated Parts Catalog 3.4 Mass Storage Devices 3–16 Maintenance and Service Guide...
Page 74 Spare Part Number Information Item Description Hard drives (include frame and connector) 7200 rpm 100 GB Optical drives (include bezel) 8X Max DVD±RW and CD-RW Double-Layer Combo Drive 4X Max DVD±RW and CD-RW Double-Layer Combo Drive 24X Max DVD/CD-RW Combo Drive 8X Max DVD-ROM drive 24X Max CD-ROM drive Maintenance and Service Guide...
Page 75: Miscellaneous (Not Illustrated)
HP Docking Station HP Docking Station Miscellaneous Plastics Kit MultiBay 8X DVD-ROM Drive (for use in External MultiBay II and HP Docking Station) MultiBay 24X DVD/CD-RW Combo Drive (for use in External MultiBay II and HP Docking Station) Nylon carrying case 3–18...
Page 76 Miscellaneous (Not Illustrated) Spare Part Information (Continued) Description Power cords: For use in the United States For use in Australia For use in Europe, the Middle East, and Africa For use in the United Kingdom For use in Italy For use in Denmark For use in Brazil For use in Japan For use in Korea...
Page 77 Illustrated Parts Catalog Miscellaneous (Not Illustrated) Spare Part Information (Continued) Description Screw Kit (includes the following screws; refer to Appendix A, “Screw Listing,” specifications and usage) For full-featured models For defeatured models ■ Phillips PM3.0×3.0 screw ■ Phillips PM2.5×13.0 spring-loaded screw ■...
Page 78: Sequential Part Number Listing
HP Extended Life Battery 372771-001 6-cell, 4.8-AH battery 373314-001 MultiBay 8X DVD-ROM Drive (for use in External MultiBay II and HP Docking Station) 373315-001 MultiBay 24X DVD/CD-RW Combo Drive (for use in External MultiBay II and HP Docking Station) 378233-001...
Page 79 Sequential Part Number Listing (Continued) Spare Part Number Description 379799-001 Heat sink (includes thermal paste) 380089-001 HP Docking Station Miscellaneous Plastics Kit 391172-001 65-W AC Adapter, for defeatured models 398393-001 Bluetooth module (includes Bluetooth module cable) 399441-001 Modem module, for full-featured models 407253-001 802.11b/g HS WLAN module for use in North America...
Page 80 Sequential Part Number Listing (Continued) Spare Part Number Description 407575-001 802.11a/b/g GL WLAN module for use in the MOW! countries or regions listed below: Antigua & Barbuda Argentina Australia Bahamas Barbados Brunei 407575-002 802.11a/b/g GL WLAN module for use in the MOW2 countries or regions listed below: Aruba Austria...
Page 81 409280-004 802.11b/g GL WLAN module for use in the following countries or regions: Israel Jordan 413267-001 HP Docking Station 413680-001 Intel Celeron 1.46-GHz processor (includes thermal paste), for full-featured models 413681-001 Intel Celeron 1.60-GHz processor (includes thermal paste), for full-featured models 413682-001 Intel Core Solo T1300 (1.66-GHz) processor (includes thermal...
Page 82 Sequential Part Number Listing (Continued) Spare Part Number Description 413700-001 4X Max DVD±RW and CD-RW Double-Layer Combo Drive 413701-001 24X Max DVD/CD-RW Combo Drive 413702-001 8X Max DVD±RW and CD-RW Double-Layer Combo Drive 413850-001 5400 rpm, 40-GB hard drive 413851-001 5400 rpm, 60-GB hard drive 413852-001 5400 rpm, 80-GB hard drive...
Page 83 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 417521-001 Thermal plate 417522-001 15.4-inch, WSXGA+ display assembly (includes wireless antenna transceivers and cables) 417523-001 15.4-inch, WSXGA+ display assembly (includes wireless antenna transceivers and cables) 417524-001 15.4-inch, WSXGA+ display assembly with BrightView (includes wireless antenna transceivers and cables) 417525-001 Keyboard for use in the United States...
Page 84 Sequential Part Number Listing (Continued) Spare Part Number Description 417525-211 Keyboard for use in Hungary 417525-221 Keyboard for use in the Czech Republic 417525-231 Keyboard for use in Slovakia 417525-251 Keyboard for use in Russia 417525-281 Keyboard for use in Thailand 417525-291 Keyboard for use in Japan 417525-AB1...
Page 85 Illustrated Parts Catalog Sequential Part Number Listing (Continued) Spare Part Number Description 439222-001 Intel Core Duo T5600 (1.83-GHz) processor, for defeatured models 439223-001 Intel Core Duo T7200 (2.0-GHz) processor, for defeatured models 439224-001 Intel Core Duo T7400 (2.16-GHz) processor, for defeatured models 439225-001 Intel Core Duo T7600 (2.33-GHz) processor, for defeatured...
Page 86: Removal And Replacement Preliminaries
Removal and Replacement This chapter provides essential information for proper and safe removal and replacement service. 4.1 Tools Required You will need the following tools to complete the removal and replacement procedures: ■ Magnetic screwdriver ■ Phillips P0 and P1 screwdrivers ■...
Page 87: Service Considerations
Removal and Replacement Preliminaries 4.2 Service Considerations The following sections include some of the considerations that you should keep in mind during disassembly and assembly procedures. ✎ As you remove each subassembly from the computer, place the subassembly (and all accompanying s) away from the work area to prevent damage.
Page 88: Preventing Damage To Removable Drives
4.3 Preventing Damage to Removable Drives Removable drives are fragile components that must be handled with care. To prevent damage to the computer, damage to a removable drive, or loss of information, observe the following precautions: ■ Before removing or inserting a hard drive, shut down the computer.
Page 89: Preventing Electrostatic Damage
Removal and Replacement Preliminaries 4.4 Preventing Electrostatic Damage Many electronic components are sensitive to electrostatic discharge (ESD). Circuitry design and structure determine the degree of sensitivity. Networks built into many integrated circuits provide some protection, but in many cases, the discharge contains enough power to alter device parameters or melt silicon junctions.
Page 90: Packaging And Transporting Precautions
4.5 Packaging and Transporting Precautions Use the following grounding precautions when packaging and transporting equipment: ■ To avoid hand contact, transport products in static-safe containers, such as tubes, bags, or boxes. ■ Protect all electrostatic-sensitive parts and assemblies with conductive or approved containers or packaging. ■...
Page 91: Workstation Precautions
Removal and Replacement Preliminaries 4.6 Workstation Precautions Use the following grounding precautions at workstations: ■ Cover the workstation with approved static-shielding material (refer to ■ Use a wrist strap connected to a properly grounded work surface and use properly grounded tools and equipment. ■...
Page 92: Grounding Equipment And Methods
4.7 Grounding Equipment and Methods Grounding equipment must include either a wrist strap or a foot strap at a grounded workstation. ■ When seated, wear a wrist strap connected to a grounded system. Wrist straps are flexible straps with a minimum of one megohm ±10% resistance in the ground cords.
Page 93: Typical Electrostatic Voltage Levels
Removal and Replacement Preliminaries Table 4-1 shows how humidity affects the electrostatic voltage levels generated by different activities. Typical Electrostatic Voltage Levels Event Walking across carpet Walking across vinyl floor Motions of bench worker Removing DIPS from plastic tube Removing DIPS from vinyl tray Removing DIPS from Styrofoam Removing bubble pack from PCB Packing PCBs in foam-lined box...
Page 94: Removal And Replacement Procedures
Removal and Replacement Procedures This chapter provides removal and replacement procedures. There are as many as 70 screws and screw locks, in 16 different sizes and types, that may have to be removed, replaced, or loosened when servicing the computer. Make special note of each screw and screw lock size and location during removal and replacement.
Page 95: Serial Number
Removal and Replacement Procedures 5.1 Serial Number Report the computer serial number to HP when requesting information or ordering spare parts. The serial number is located on the bottom of the computer. Serial Number Location 5–2 Maintenance and Service Guide...
Page 96: Disassembly Sequence Chart
5.2 Disassembly Sequence Chart Use the chart below to determine the section number to be referenced when removing computer components. Disassembly Sequence Chart Section Description Preparing the Computer for Disassembly Battery Hard Drive Computer Feet Optical Drive External Memory Module Bluetooth Module Keyboard 5.10...
Page 97 Removal and Replacement Procedures Disassembly Sequence Chart (Continued) Section Description 5.13 Processor 5.14 Mini Card Module Å To prevent an unresponsive system and the display of a warning message, install only a Mini Card device authorized for use in your computer by the governmental agency that regulates wireless devices in your country or region.
Page 98: Preparing The Computer For Disassembly
5.3 Preparing the Computer for Disassembly Before you begin any removal or installation procedures: 1. Shut down the computer. If you are unsure whether the computer is off or in hibernation, turn the computer on, and then shut it down through the operating system. 2.
Page 99 Removal and Replacement Procedures Battery Spare Part Number Information 6-cell, 4.8-AH 6-cell, 4.0-AH 4. Remove the battery by following these steps: a. Turn the computer upside down with the rear panel toward you. b. Slide the battery release latch on the right 1 and then the battery release latch on the left 2 to release the battery.
Page 100: Hard Drive
5.4 Hard Drive Hard Drive Spare Part Number Information 7200 rpm 100 GB 1. Prepare the computer for disassembly Maintenance and Service Guide Removal and Replacement Procedures 5400 rpm 416415-001 120 GB 100 GB 80 GB 60 GB 40 GB 416414-001 413853-001 413852-001...
Page 101 Removal and Replacement Procedures 2. Loosen the two Phillips PM2.0×5.0 screws 1 that secure the hard drive cover to the computer. 3. Lift the left side of the hard drive cover 2 and swing it to the right. 4. Remove the hard drive cover. ✎...
Page 102 5. Loosen the Phillips PM2.5×13.0 spring-loaded hard drive retention screw 1. 6. Grasp the mylar tab 2 on the left side of the hard drive and slide the hard drive to the right 3 to disconnect it from the system board. 7.
Page 103 Removal and Replacement Procedures 8. Remove the four Phillips PM3.0×3.0 screws 1 that secure the hard drive frame to the hard drive. 9. Lift the frame 2 straight up to remove if from the hard drive. Removing the Hard Drive Frame Reverse the above procedure to reassemble and install the hard drive.
Page 104: Computer Feet
Removal and Replacement Procedures 5.5 Computer Feet The computer feet are adhesive-backed rubber pads. The feet are included in the Plastics Kit, spare part number 417527-001. Replacing the Computer Feet Maintenance and Service Guide 5–1 1...
Page 105: Optical Drive
Removal and Replacement Procedures 5.6 Optical Drive Optical Drive Spare Part Number Information 8X Max DVD±RW and CD-RW Double-Layer Combo Drive 4X Max DVD±RW and CD-RW Double-Layer Combo Drive 24X Max DVD/CD-RW Combo Drive 8X Max DVD-ROM drive 24X Max CD-ROM drive 1.
Page 106 6. If it is necessary to replace the optical drive bracket, remove the two Phillips PM2.0×3.0 screws 1 that secure the bracket to the optical drive. 7. Remove the optical drive bracket 2. Removing the Optical Drive Bracket Reverse the above procedure to reassemble and install an optical drive.
Page 107: External Memory Module
Removal and Replacement Procedures 5.7 External Memory Module Memory Module Spare Part Number Information 1-DIMM, PC2-5300 1024 MB 512 MB 256 MB 1. Prepare the computer for disassembly (refer to 2. Position the computer with the front toward you. 5–14 1-DIMM, PC2-4200 414046-001 1024 MB...
Page 108 3. Loosen the Phillips PM2.0×5.0 screw 1 that secures the memory module compartment cover to the computer. 4. Lift the right side of the cover 2 and swing it up and to the left. 5. Remove the memory module compartment cover. ✎...
Page 109 Removal and Replacement Procedures 6. Spread the retaining tabs 1 on each side of the memory module socket to release the memory module. (The side of the module opposite the socket rises away from the computer.) 7. Slide the module 2 away from the socket at an angle. 8.
Page 110: Bluetooth Module
5.8 Bluetooth Module Bluetooth Module Spare Part Number Information Bluetooth module (includes Bluetooth module cable) 1. Prepare the computer for disassembly (refer to 2. Position the computer with the right side toward you. 3. Loosen the Phillips PM1.5×3.0 screw 1 that secures the Bluetooth module cover to the computer.
Page 111 Removal and Replacement Procedures 6. Remove the two Phillips PM1.5×3.0 screws 1 that secure the Bluetooth module to the Bluetooth module cover. 7. Remove the Bluetooth module 2 from the cover. 8. Disconnect the Bluetooth module cable 3 from the module. Removing the Bluetooth Module Cover Reverse the above procedure to install a Bluetooth module.
Page 112: Keyboard
5.9 Keyboard Keyboard Spare Part Number Information Keyboards (include keyboard cable) For use in: Brazil The Czech Republic Denmark France French Canada Germany Greece Hungary Iceland Internationally Israel Italy Japan Korea Latin America 1. Prepare the computer for disassembly 2. Position the computer with the front toward you. Maintenance and Service Guide Removal and Replacement Procedures 417525-201...
Page 113 Removal and Replacement Procedures 3. Remove the two Torx8 T8M2.5×10.0 screws that secure the keyboard to the computer. Removing the Keyboard Screws 5–20 Maintenance and Service Guide...
Page 114 4. Turn the computer display-side up with the front toward you. 5. Open the computer as far as possible. 6. Slide the four keyboard retention tabs 1 toward you. The tabs are located between the keys, between the delete 7. Lift the rear edge of the keyboard 2 and swing it toward you until it rests on the palm rest.
Page 115 Removal and Replacement Procedures 8. Release the zero insertion force (ZIF) connector 1 to which the keyboard cable is connected and disconnect the keyboard cable 2 from the system board. Disconnecting the Keyboard Cable 9. Remove the keyboard. Reverse the above procedure to install the keyboard. 5–22 Maintenance and Service Guide...
Page 116: Thermal Plate
5.10 Thermal Plate Spare Part Number Information Thermal plate 1. Prepare the computer for disassembly 2. Release the keyboard ✎ The following screws should be removed, then installed, in the 1, 2, 3, 4 sequence stamped on the thermal plate. 3.
Page 117: Fan Assembly
Removal and Replacement Procedures 5.1 1 Fan Assembly Spare Part Number Information Fan Assembly 1. Prepare the computer for disassembly 2. Release the keyboard 3. Release the thermal plate 4. Disconnect the fan cable 1 from the system board. 5. Loosen the two Phillips PM2.5×7.0 screws 2 that secure the fan to the computer.
Page 118: Heat Sink
Removal and Replacement Procedures 5.12 Heat Sink Heat Sink Spare Part Number Information Heat sink (includes thermal paste) 379799-001 1. Prepare the computer for disassembly (Section 5.3). 2. Release the keyboard (Section 5.9). 3. Remove the fan assembly (Section 5.11). Maintenance and Service Guide 5–25...
Page 119 Removal and Replacement Procedures ✎ The following s should be loosened and installed in the 1, 2, 3, 4 sequence stamped on the heat sink. 4. Loosen the four Phillips PM2.0×8.0 shoulder screws 1 that secure the heat sink to the computer. ✎...
Page 120 Removal and Replacement Procedures ✎ The thermal paste should be thoroughly cleaned from the surfaces of the heat sink 1 and processor 2 each time the heat sink is removed. Thermal paste is included with all heat sink and processor spare part kits. Replacing the Thermal Paste Reverse the above procedure to install the heat sink.
Page 121: Processor
Removal and Replacement Procedures 5.13 Processor Processor Spare Part Number Information Processors (include thermal paste) For use with full-featured models: Intel Core DuoT2600 (2.17-GHz) processor Intel Core Duo T2500 (2.00-GHz) processor Intel Core Duo T2400 (1.83-GHz) processor Intel Core Duo T2300 (1.67-GHz) processor Intel Core Solo T1300 (1.66-GHz) processor Intel Celeron 1.60-GHz processor Intel Celeron 1.46-GHz processor...
Page 122 2. Use a flat-bladed screwdriver to turn the processor locking screw 1 one-half turn counterclockwise until you hear a click. 3. Lift the processor 2 straight up and remove it. ✎ The gold triangle 3 on the processor should be aligned with the triangle icon 4 embossed on the processor socket when you install the processor.
Page 123: Mini Card Module
Removal and Replacement Procedures 5.14 Mini Card Module Spare Part Number Information 802.11 b/g HS WLAN module for use in North America 802.11 b/g HS WLAN module for use in the rest of the world (ROW) countries or regions listed below: China Honduras Ecuador...
Page 124 Spare Part Number Information (Continued) 802.11 a/b/g GL WLAN module for use in the most of the world 2 (MOW2) countries or regions listed below: Aruba El Salvador Austria Estonia Azerbaijan Finland Bahrain France Belgium Georgia Bermuda Germany Bulgaria Greece Cayman Islands Hungary Columbia...
Page 125 Removal and Replacement Procedures 4. Make note of which antenna cable is attached to which antenna clip on the Mini Card module before disconnecting the cables, then disconnect the auxiliary and main antenna cables 1 from the Mini Card module. 5.
Page 126: Internal Memory Module
5.15 Internal Memory Module Memory Module Spare Part Number Information 1-DIMM, PC2-5300 1024 MB 512 MB 256 MB 1. Prepare the computer for disassembly 2. Release the keyboard Maintenance and Service Guide Removal and Replacement Procedures 1-DIMM, PC2-4200 414046-001 1024 MB 414045-001 512 MB 414044-001...
Page 127 Removal and Replacement Procedures 3. Spread the retaining tabs 1 on each side of the memory module socket to release the memory module board. (The side of the module opposite the socket rises away from the computer.) 4. Slide the module away from the socket at an angle 2. 5.
Page 128: Rtc Battery
5.16 RTC Battery ✎ The RTC battery is included with each system board spare part kit. 1. Prepare the computer for disassembly 2. Release the keyboard 3. Remove the RTC battery from the clip in the top cover. Removing the RTC Battery Reverse the above procedure to install an RTC battery.
Page 129: Switch Cover
Removal and Replacement Procedures 5.17 Switch Cover Switch Cover Spare Part Number Information Switch cover (includes LED board and LED board cable) ✎ Both switch cover spare part kits include the LED board and LED board cable. 1. Prepare the computer for disassembly 2.
Page 130 5. Turn the computer display-side up with the front toward you. 6. Open the computer as far as possible. 7. Use a flat-bladed screwdriver to lift up the left and right hinge cover sections of the switch cover 1 to detach it from the computer.
Page 131 Removal and Replacement Procedures 9. Disconnect the LED board cable 1 from the system board. 10. Remove the switch cover 2. Removing the Switch Cover Reverse the above procedure to install the switch cover. 5–38 Maintenance and Service Guide...
Page 132: Display Assembly
5.18 Display Assembly Display Assembly Spare Part Number Information Display assemblies (include wireless antenna transceivers and cables) 15.4-inch, WSXGA+ with BrightView 15.4-inch, WSXGA+ 15.4-inch, WXGA+ 1. Prepare the computer for disassembly 2. Remove the keyboard 3. Remove the switch cover Maintenance and Service Guide Removal and Replacement Procedures (Section...
Page 133 Removal and Replacement Procedures 4. Make note of which antenna cable is attached to which antenna clip on the Mini Card module before disconnecting the cables, then disconnect the wireless antenna cables 1 from the Mini Card module. 5. Remove the wireless antenna cables from the top cover clips (2 and 3) through which they are routed.
Page 134 Removal and Replacement Procedures 7. Remove the two Torx8 T8M2.5×10.0 screws 1 and the two Phillips PM2.0×2.0 screws 2 that secure the display assembly to the computer. Removing the Display Assembly Screws Maintenance and Service Guide 5–41...
Page 135 Removal and Replacement Procedures 8. Position the computer with the rear panel toward you. 9. Remove the four Torx8 T8M2.5×10.0 screws 1 that secure the display assembly to the computer. 10. Lift the display assembly 2 straight up to remove it. Removing the Display Assembly Reverse the above procedure to install the display assembly.
Page 136: Top Cover
5.19 Top Cover Top Cover Spare Part Number Information Top cover (includes TouchPad and speakers) Full-featured models Defeatured models 1. Prepare the computer for disassembly and remove the following components: a. Hard drive b. Optical drive c. Keyboard d. Thermal plate e.
Page 137 Removal and Replacement Procedures 3. Remove the two rubber screw covers 1 and the twelve Torx8 T8M2.5×10.0 screws 2 that secure the top cover to the computer. Note that the defeatured model uses two fewer screws. ✎ The rubber screw covers are available in the Screw Kit, spare part number 417526-001.
Page 138 4. Turn the computer right-side up with the front toward you. 5. Disconnect the speaker cable 1 from the system board. 6. Remove the four Torx8 T8M2.5×4.0 screws 2 that secure the top cover to the computer. Note that the defeatured model requires removal of three torx screws to remove the top cover, and does not include the left-most torx screw.
Page 139 Removal and Replacement Procedures 7. Lift the rear edge 1 of the top cover until it disengages from the base enclosure. In each of the slots in the front of the computer between the top cover and base enclosure, use a flat-bladed screwdriver to pry the front of the top cover from the base enclosure.
Page 140: Modem Module
5.20 Modem Module Modem Module Spare Part Number Information Modem modules For full-featured models For defeatured models 1. Prepare the computer for disassembly and remove the following components: a. Hard drive b. Optical drive c. Keyboard d. Switch cover e. Display assembly f.
Page 141 Removal and Replacement Procedures 2. Remove the two Phillips PM2.5×4.0 screws 1 that secure the modem module to the system board. 3. Lift the right side of the modem module 2 to disconnect it from the system board. 4. Disconnect the modem module cable 3 from the modem module.
Page 142: System Board
5.21 System Board System Board Spare Part Number Information System board (includes RTC battery) Defeatured model, GM Defeatured model, GML Full featured model ✎ When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board: ■...
Page 143 Removal and Replacement Procedures 1. Prepare the computer for disassembly remove the following components: a. Hard drive b. Optical drive c. Bluetooth module d. Keyboard e. Thermal plate f. Fan (Section g. Heat sink h. RTC battery i. Switch cover j.
Page 144 Removal and Replacement Procedures 3. Disconnect the following cables from the system board: 1 Modem connector cable 2 USB board cable 3 Audio board cable 4 Modem module cable Disconnecting the System Board Cables Maintenance and Service Guide 5–51...
Page 145 Removal and Replacement Procedures 4. Remove the following: 1 Two HM5.0×10.0 screw locks on each side of the external monitor connector 2 Two Torx T8M2.5×6.0 screws (full-featured model only) 3 Three Torx T8M2.5×4.0 screws (the defeatured model uses four torx screws) Removing the System Board Screws and Screw Locks (full-featured model shown) 5–52...
Page 146 5. Remove the modem connector cable 1 from the clip in the base enclosure. 6. Remove the modem module cable 2 from the clip in the system board. 7. Remove the modem connector 3 from the clip in the base enclosure. Releasing the System Board, Part 1 Maintenance and Service Guide Removal and Replacement Procedures...
Page 147 Removal and Replacement Procedures 8. Flex the right side of the base enclosure 1 until the USB 2, 1394 3, and RJ-45 connectors 4 are clear of the base enclosure. 9. Lift the front edge of the system board 5 until it rests at an angle.
Page 148 10. Lift the front edge of the system board 1 until it rests at an angle. 11. Slide the system board 2 forward until the rear-right section of the system board 3 is clear of the screw boss 4 on the system board frame.
Page 149: System Board Frame (Full-Featured Models Only)
Removal and Replacement Procedures 5.22 System Board Frame (full-featured models only) System Board Frame Spare Part Number Information System board frame 1. Prepare the computer for disassembly remove the following components: a. Hard drive b. Optical drive c. Bluetooth module d.
Page 150 3. Remove the three Torx8 T8M2.5×4.0 screws 1 that secure the system board frame to the base enclosure. 4. Remove the audio board and USB board cables 2 from the base enclosure. 5. Lift the rear edge of the system board frame 3 until it disengages from the base enclosure.
Page 151 Removal and Replacement Procedures 7. If it is necessary to replace the modem connector cable, remove the modem connector and cable 1 from the clips 2 in the system board frame. Removing the Modem Connector Cable Reverse the above procedures to install the system board frame. 5–58 Maintenance and Service Guide...
Page 152: Usb/Audio Board
5.23 USB/Audio Board USB/Audio Board Spare Part Number Information USB/audio board (includes audio board cable) 1. Prepare the computer for disassembly remove the following components: a. Hard drive b. Optical drive c. Bluetooth board d. Keyboard e. Thermal plate f. Fan g.
Page 153 Removal and Replacement Procedures 3. Remove the two Torx8 T8M2.5×4.0 screws 1 that secure the USB/audio board to the base enclosure. 4. Lift the left side of the USB/audio board 2 to disengage it from the base enclosure. When lifting the board, lift the left side up and rotate it so that the right side clears the metal bracket attached to the base enclosure, and then lift the board out of the enclosure.
Page 154 This chapter provides physical and performance specifications. Dimensions Height (front to back) Width Depth Weight Input Power Operating voltage Operating current Temperature Operating (not writing to optical disc) Operating (writing to optical disc) Nonoperating Maintenance and Service Guide Specifications Table 6-1 Computer Metric 2.8 to 3.3 cm...
Page 155 Specifications Relative humidity (noncondensing) Operating Nonoperating Maximum altitude (unpressurized) Operating (14.7 to 10.1 psia) Nonoperating (14.7 to 4.4 psia) Shock Operating Nonoperating Random Vibration Operating Nonoperating ✎ Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this range of temperatures. 6–2 Table 6-1 Computer (Continued)
Page 156 Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption Viewing angle Maintenance and Service Guide Table 6-2 15.4.0-inch, WSXGA+ 20.7 cm 33.1 cm 39.1 cm Up to 16.8 million 200:1 180 nits typical 0.197 ×...
Page 157 Specifications Dimensions Height Width Diagonal Number of colors Contrast ratio Brightness Pixel resolution Pitch Format Configuration Backlight Character display Total power consumption Viewing angle 6–4 Table 6-3 15.4.0-inch, WXGA+ 20.7 cm 33.1 cm 39.1 cm Up to 16.8 million 200:1 180 nits typical 0.279 ×...
Page 158: Hard Drives
Dimensions Height Width Weight Interface type Transfer rate Synchronous (maximum) Security Seek times (typical read, including setting) Single track Average Maximum † Logical blocks Disc rotational speed Operating temperature ✎ Certain restrictions and exclusions apply. Consult Customer Care for details. *1 GB = 1 billion bytes when referring to hard drive storage capacity.
Page 159 Specifications Dimensions Height Width Weight Interface type Transfer rate Synchronous (maximum) Security Seek times (typical read, including setting) Single track Average Maximum † Logical blocks Disc rotational speed Operating temperature ✎ Certain restrictions and exclusions apply. Consult Customer Care for details. *1 GB = 1 billion bytes when referring to hard drive storage capacity.
Page 160 DVD±RW and CD-RW Combo Drive Applicable disc Center hole diameter Disc diameter Standard disc Mini disc Maintenance and Service Guide Table 6-5 Read: DVD-R, DVD-RW, DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), CD-ROM (Mode 1 and 2) CD Digital Audio CD-XA ready (Mode 2, Form 1 and 2) CD-I ready (Mode 2, Form 1 and 2)
Page 161 Specifications DVD±RW and CD-RW Combo Drive (Continued) Disc thickness Track pitch Access time Random Full stroke Audio output level Cache buffer Data transfer rate CD-R (16X) CD-RW (8X) CD-ROM (24X) DVD (8X) DVD-R (4X) DVD-RW (2X) Multiword DMA mode 2 Startup time Stop time 6–8...
Page 162 Applicable disc Center hole diameter Disc diameter Standard disc Mini disc Maintenance and Service Guide Table 6-6 DVD/CD-RW Combo Drive Read: DVD-R, DVD-RW, DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18), CD-ROM (Mode 1 and 2) CD Digital Audio CD-XA ready (Mode 2, Form 1 and 2) CD-I ready (Mode 2, Form 1 and 2)
Page 163 Specifications DVD/CD-RW Combo Drive (Continued) Disc thickness Track pitch Access time Random Full stroke Audio output level Cache buffer Data transfer rate CD-R (16X) CD-RW (8X) CD-ROM (24X) DVD (8X) DVD-R (4X) DVD-RW (2X) Multiword DMA mode 2 Startup time Stop time 6–10 Table 6-6...
Page 164 Applicable disc Center hole diameter Disc diameter Standard disc Mini disc Disc thickness Track pitch Access time Random Full stroke Audio output level Cache buffer Data transfer rate CD-R (24X) CD-RW (10X) CD-ROM (24X) DVD (8X) Multiword DMA mode 2 Startup time Stop time Maintenance and Service Guide...
Page 165 Specifications Applicable disc Center hole diameter Disc diameter Standard disc Mini disc 6–12 Table 6-8 CD-ROM Drive CD-ROM (Mode 1 and 2) CD Digital Audio CD-XA ready (Mode 2, Form 1 and 2) CD-I ready (Mode 2, Form 1 and 2) CD-R CD-RW Photo CD (single and multisession)
Page 166 Disc thickness Track pitch Access time Random Full stroke Audio output level Cache buffer Data transfer rate CD-R (24X) Multiword DMA mode 2 Startup time Stop time Maintenance and Service Guide Table 6-8 CD-ROM Drive (Continued) 1.2 mm (0.047 in) 1.6 µm CD media <...
Page 167: System Dma
Specifications Hardware DMA DMA0 DMA1* DMA2* DMA3 DMA4 DMA5* DMA6 DMA7 *PC Card controller can use DMA 1, 2, or 5. 6–14 Table 6-9 System DMA System Function Not applicable Not applicable Not applicable Not applicable Direct memory access controller Available for PC Card Not assigned Not assigned...
Page 168: System Interrupts
Hardware IRQ IRQ0 IRQ1 IRQ2 IRQ3 IRQ4 IRQ5* IRQ6 IRQ7* IRQ8 IRQ9* IRQ10* Maintenance and Service Guide Table 6-10 System Interrupts System Function System timer Standard 101-/102-Key or Microsoft Natural Keyboard Cascaded Intel 82801DB/DBM USB2 Enhanced Host Controller—24CD COM1 Conexant AC—Link Audio Intel 82801DB/DBM SMBus Controller—24C3 Data Fax Modem with SmartCP Diskette drive...
Page 169 Specifications System Interrupts (Continued) IRQ11 IRQ12 IRQ13 IRQ14 IRQ15 *Default configuration; audio possible configurations are IRQ5, IRQ7, IRQ9, IRQ10, or none. ✎ PC Cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4. 6–16 Table 6-10 Intel USB EHCI controller—24CD...
Page 170 I/O Address (hex) 000 - 00F 010 - 01F 020 - 021 022 - 024 025 - 03F 02E - 02F 040 - 05F 044 - 05F 062 - 063 065 - 06F 070 - 071 072 - 07F 080 - 08F 090 - 091 093 - 09F 0A0 - 0A1...
Page 171 Specifications System I/O Addresses (Continued) I/O Address (hex) 0A2 - 0BF 0C0 - 0DF 0E0 - 0EF 0F0 - 0F1 0F2 - 0FF 100 - 16F 170 - 177 178 - 1EF 1F0 - 1F7 1F8 - 200 202 - 21F 220 - 22F 230 - 26D 26E - 26...
Page 172 System I/O Addresses (Continued) I/O Address (hex) 2F0 - 2F7 2F8 - 2FF 300 - 31F 320 - 36F 370 - 377 378 - 37F 380 - 387 388 - 38B 38C - 3AF 3B0 - 3BB 3BC - 3BF 3C0 - 3DF 3E0 - 3E1 3E2 - 3E3...
Page 173: System Memory Map
Specifications Size Memory Address 640 KB 00000000-0009FFFF 128 KB 000A0000-000BFFFF 48 KB 000C0000-000CBFFF 160 KB 000C8000-000E7FFF 64 KB 000E8000-000FFFFF 15 MB 00100000-00FFFFFF 58 MB 01000000-047FFFFF 58 MB 04800000-07FFFFFF 2 MB 08000000-080FFFFF 4 GB 08200000-FFFEFFFF 64 KB FFFF0000-FFFFFFFF 6–20 Table 6-12 System Memory Map System Function Base memory...
Page 174: Screw Listing
This appendix provides specification and reference information for the screws used in the computer. All screws listed in this appendix are available in the Screw Kit, spare part number 417526-001 (full-featured model) or spare part number 441079-001 (defeatured model). Where used: 4 screws that secure the hard drive frame to the hard drive (documented in Section 5.4)
Page 175 Screw Listing Phillips PM3.0×3.0 Screw Locations A–2 Maintenance and Service Guide...
Page 176 Phillips PM2.0×5.0 Captive Screw Where used: Two screws that secure the hard drive cover to the computer (screws are captured on the cover by C-clips; documented in One screw that secures the memory module compartment cover to the computer (screw is captured on the cover by a C-clip; documented in Section 5.7) One screw that secures the Bluetooth module compartment cover to the...
Page 177 Screw Listing Phillips PM2.5×13.0 Captive Spring-Loaded Screw Where used: One screw that secures the hard drive to the computer (screw is captured on the cover by a C-clip; documented in Phillips PM2.5×13.0 Captive Screw Location A–4 Table A-3 Color Qty. Length Silver 13.0 mm...
Page 178 Where used: One screw that secures the optical drive to the computer (documented in Section 5.6) * 11 screws in defeatured model Torx8 T8M2.5×4.0 Screw Location Maintenance and Service Guide Table A-4 Torx8 T8M2.5×4.0 Screw Color Qty. Black 13/11* Screw Listing Length Thread 4.0 mm...
Page 179 Screw Listing Torx8 T8M2.5×4.0 Screw (Continued) Where used: 4 screws that secure the top cover to the computer (documented in Section 5.19) * 11 screws in defeatured model Note: Defeatured model uses only the right three screws to secure the top cover.
Page 180 Torx8 T8M2.5×4.0 Screw (Continued) Where used: Three screws that secure the system board to the computer (documented in Section 5.21) Three screws that secure the system board frame to the computer (documented in Section * 11 screws in defeatured model Note: Defeatured model uses four screws to secure the system board to the computer, screws and the left-most screw...
Page 181 Screw Listing Torx8 T8M2.5×4.0 Screw (Continued) Where used: 2 screws that secure the USB/audio board to the computer (documented in Section 5.23) * 11 screws in defeatured model Torx8 T8M2.5×4.0 Screw Locations A–8 Table A-4 Color Qty. Length Black 13/11* 4.0 mm Maintenance and Service Guide Head...
Page 182 Where used: 2 screws that secure the optical drive bracket to the optical drive (documented in Section 5.6) Phillips PM2.0×3.0 Screw Locations Maintenance and Service Guide Table A-5 Phillips PM2.0×3.0 Screw Color Qty. Silver Screw Listing Length Thread 3.0 mm 2.0 mm Head Width...
Page 183 Screw Listing Where used: 2 screws that secure the Bluetooth module to the Bluetooth module cover (documented in Section Phillips PM1.5×3.0 Screw Locations A–10 Table A-6 Phillips PM1.5×3.0 Screw Color Qty. Silver 5.8) Length Thread 3.0 mm 1.5 mm Maintenance and Service Guide Head Width 5.0 mm...
Page 184 Where used: Two screws that secure the keyboard to the computer (documented in Section 5.9) Four screws that secure the display assembly to the computer (documented Section 5.18) * 18 screws on defeatured model Torx8 T8M2.5×10.0 Screw Locations Maintenance and Service Guide Table A-7 Torx8 T8M2.5×10.0 Screw Color...
Page 185 Screw Listing Torx8 T8M2.5×10.0 Screw (Continued) Where used: 2 screws that secure the display assembly to the computer (documented in Section 5.18) * 18 screws on defeatured model Torx8 T8M2.5×10.0 Screw Locations A–12 Table A-7 Color Qty. Length Black 20/18* 10.0 mm Maintenance and Service Guide Head...
Page 186 Torx8 T8M2.5×10.0 Screw (Continued) Where used: 12 screws that secure the top cover to the computer (documented in Section 5.19) * 18 screws on defeatured model Note: Screws are not included on the defeatured model. Torx8 T8M2.5×10.0 Screw Locations (full-featured model shown) Maintenance and Service Guide Table A-7 Color...
Page 187 Screw Listing Where used: 2 screws that secure the thermal plate to the computer (documented in Section 5.10) Phillips PM2.5×3.0 Screw Locations A–14 Table A-8 Phillips PM2.5×3.0 Screw Color Qty. Black Length Thread 3.0 mm 2.5 mm Maintenance and Service Guide Head Width 5.0 mm...
Page 188 Where used: 2 screws that secure the thermal plate to the computer (documented in Section 5.10) Phillips PM2.5×5.0 Screw Locations Maintenance and Service Guide Table A-9 Phillips PM2.5×5.0 Screw Color Qty. Black Screw Listing Length Thread 5.0 mm 2.5 mm Head Width 5.0 mm...
Page 189 Screw Listing Phillips PM2.5×7.0 Captive Screw Where used: 2 captive screws that secure the fan assembly to the computer (documented in Section 5.11) Phillips PM2.5×7.0 Captive Screw Locations A–16 Table A-10 Color Qty. Length Silver 7.0 mm Maintenance and Service Guide Head Thread Width...
Page 190 Phillips PM2.0×8.0 Captive Screw Where used: 4 captive screws that secure the heat sink to the computer (documented in Section 5.12) Phillips PM2.0×8.0 Captive Screw Locations Maintenance and Service Guide Table A-11 Color Qty. Length Silver 8.0 mm Screw Listing Head Thread Width...
Page 191 Screw Listing Where used: 2 screws that secure the Mini Card module to the computer (documented in Section 5.14) Phillips PM2.0×4.0 Screw Locations A–18 Table A-12 Phillips PM2.0×4.0 Screw Color Qty. Silver Length Thread 4.0 mm 2.0 mm Maintenance and Service Guide Head Width 5.0 mm...
Page 192 Where used: 3 screws that secure the switch cover to the computer (documented in Section 5.17) Phillips PM2.0×2.0 Screw Locations Maintenance and Service Guide Table A-13 Phillips PM2.0×2.0 Screw Color Qty. Black Screw Listing Length Thread 2.0 mm 2.0 mm Head Width 7.0 mm...
Page 193 Screw Listing Phillips PM2.0×2.0 Screw (Continued) Where used: 2 screws that secure the display assembly to the computer (documented in Section 5.18) Phillips PM2.0×2.0 Screw Locations A–20 Table A-13 Color Qty. Length Black 2.0 mm Maintenance and Service Guide Head Thread Width 2.0 mm...
Page 194 Where used: 2 screws that secure the modem module to the computer (documented in Section 5.20) Phillips PM2.5×4.0 Screw Locations Maintenance and Service Guide Table A-14 Phillips PM2.5×4.0 Screw Color Qty. Black Screw Listing Length Thread 4.0 mm 2.5 mm Head Width 5.0 mm...
Page 195 Screw Listing Hex HM5.0×12.0 Screw Lock Where used: 2 screw locks that secure the system board to the computer (documented in Section 5.21) Hex HM5.0×12.0 Screw Lock Locations A–22 Table A-15 Color Qty. Length Silver 12.0 mm Maintenance and Service Guide Head Thread Width...
Page 196 Where used: 2 or 4 screws that secure the system board to the computer (documented in Section 5.21). Full-featured models use 2 screws. *Screws on defeatured models. Only screws models. Torx8 T8M2.5×6.0 Screw Locations (defeatured model shown) Maintenance and Service Guide Table A-16 Torx8 T8M2.5×6.0 Screw Color...
Page 197: Windows Vista
Backup and Recovery in ✎ You can only recover files that you have previously backed up. HP recommends that you use HP Backup & Recovery Manager to create an entire drive backup as soon as you set up your computer.
Page 198: Backup Suggestions
Before you can perform backup and recovery procedures, the computer must be connected to external power. ✎ Drivers, utilities, and applications installed by HP can be copied to a CD or to a DVD using HP Backup & Recovery Manager. B–2 alt+fn+prt sc...
Page 199: Backing Up Specific Files Or Folders
This process will take several minutes, depending on the file size and the speed of the computer. To back up specific files or folders: 1. Select Start > All Programs > HP Backup & Recovery > Backup and Recovery Manager. 2. Click Next.
Page 200: Creating Recovery Points
Backup and Recovery in Windows Vista To back up your entire hard drive: 1. Select Start > All Programs > HP Backup & Recovery > Backup and Recovery Manager. 2. Click Next. 3. Click Back up to protect system settings and important data files, and then click Next.
Page 201: Scheduling Backups
(select models only). To schedule backups: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup Scheduler. 2. Follow the on-screen instructions. Performing a Recovery ✎...
Page 202: Performing A Recovery From The Hard Drive
Initiating a Recovery in Windows To initiate a recovery in Windows, follow these steps: 1. Back up all personal files. 2. Select Start > All Programs > HP Backup & Recovery > Backup and Recovery Manager. 3. Click Next. B–6...
Page 203: Recovery Partition
4. Click Recover important files or the entire system, and then click Next. 5. Follow the on-screen instructions. Initiating a Recovery from the Hard Drive Recovery Partition To initiate a recovery from the hard drive recovery partition, follow these steps: 1.
Page 204: Creating Recovery Discs
You will need high-quality CD-R, DVD-R, or DVD+R media (purchased separately). ✎ Formatted DVD±RW discs and DVD±RW double-layer discs are not compatible with HP Backup and Recovery Manager. ■ The computer must be connected to AC power during the process.
Page 205: Backing Up Your Information
Backup and Recovery in Windows XP To create a set of recovery discs: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next. 3. Click Create factory software recovery CDs or DVDs to recover the system (Highly recommended), and then click Next.
Page 206 ✎ Drivers, utilities, and applications installed by HP can be copied to a CD or to a DVD using HP Backup and Recovery Manager. Maintenance and Service Guide Backup and Recovery in Windows XP...
Page 207 This process will take several minutes, depending on the file size and the speed of the computer. To back up specific files or folders: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next.
Page 208 Recovering to an earlier recovery point does not affect data files or e-mails created since that recovery point. To create a system recovery point: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 2. Click Next.
Page 209 (select models only). To schedule backups: 1. Select Start > All Programs > HP Backup & Recovery > HP Backup Scheduler. 2. Follow the on-screen instructions. Performing a Recovery ✎...
Page 210 Initiating a Recovery in Windows To initiate a recovery in Windows, follow these steps: 1. Back up all personal files. 2. Select Start > All Programs > HP Backup & Recovery > HP Backup and Recovery Manager. 3. Click Next.
Page 211 Backup and Recovery in Windows XP Initiating a Recovery from the Hard Drive Recovery Partition To initiate a recovery from the hard drive recovery partition, follow these steps: 1. Back up all personal files. 2. Restart the computer, and then press operating system loads.
Page 212 Careful handling should be exercised when removing these components. ✎ Materials Disposal This HP product contains mercury in the backlight in the display assembly that might require special handling at end-of-life. Disposal of mercury may be regulated because of environmental considerations. For disposal or recycling information, contact your local authorities or the Electronic Industries Alliance (EIA) http://www.eiae.org...
Page 213 Display Component Recycling This appendix provides disassembly instructions for the display assembly. The display assembly must be disassembled to gain access to the backlight 1 and the liquid crystal display (LCD) panel 2. ✎ Disassembly procedures differ from one display assembly to another.
Page 214 Display Component Recycling Perform the following steps to disassemble the display assembly: 1. Remove all screw covers 1 and screws 2 that secure the display bezel to the display assembly. Removing the Display Bezel Screw Covers and Screws Maintenance and Service Guide D–3...
Page 215 Display Component Recycling 2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly. 3. Remove the display bezel 3. Removing the Display Bezel D–4 Maintenance and Service Guide...
Page 216 Display Component Recycling 4. Disconnect all display panel cables 1 from the display inverter and remove the inverter 2. Removing the Display Inverter Maintenance and Service Guide D–5...
Page 217 Display Component Recycling 5. Remove all s 1 that secure the display panel assembly to the display enclosure. 6. Remove the display panel assembly 2 from the display enclosure. Removing the Display Panel Assembly D–6 Maintenance and Service Guide...
Page 218 Display Component Recycling 7. Turn the display panel assembly upside down. 8. Remove all s that secure the display panel frame to the display panel. Removing the Display Panel Frames Maintenance and Service Guide D–7...
Page 219 Display Component Recycling 9. Use a sharp-edged tool to cut the tape 1 that secures the sides of the display panel to the display panel frame. 10. Remove the display panel frame 2 from the display panel. Removing the Display Frame D–8 Maintenance and Service Guide...
Page 220 11. Remove the s 1 that secure the backlight cover to the display panel. 12. Lift the top edge of the backlight cover 2 and swing it forward. 13. Remove the backlight cover. Removing the Backlight Cover Maintenance and Service Guide Display Component Recycling D–9...
Page 221 Display Component Recycling 14. Turn the display panel right-side up. 15. Remove the backlight cables 1 from the clip 2 in the display panel. Releasing the Backlight Cables D–10 Maintenance and Service Guide...
Page 222 Display Component Recycling 16. Turn the display panel upside down. 17. Remove the backlight frame from the display panel. Removing the Backlight Frame Maintenance and Service Guide D–1 1...
Page 223 Display Component Recycling WARNING: The backlight contains mercury. Caution should be Å exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury. 18. Slide the backlight out of the backlight frame. Removing the Backlight D–12 Maintenance and Service Guide...
Page 224 19. Disconnect the display cable 1 from the LCD panel. 20. Remove the s 2 that secure the LCD panel to the display rear panel. 21. Release the LCD panel 3 from the display rear panel. 22. Release the tape 4 that secures the LCD panel to the display rear panel.
Page 225 Display Component Recycling 23. Remove the LCD panel. Removing the LCD Panel 24. Recycle the LCD panel and backlight. D–14 Maintenance and Service Guide...
Page 226: Connector Pin Assignments
Connector Pin Assignments Signal Audio out, left channel Audio out, right channel Maintenance and Service Guide Table D-1 Audio-Out (Headphone) Signal Ground E–1...
Page 227 Connector Pin Assignments Signal Audio signal in Audio signal in E–2 Table D-2 Audio-In (Microphone) Signal Ground Maintenance and Service Guide...
Page 228: Universal Serial Bus
Signal +5 VDC Data – Maintenance and Service Guide Table D-3 Universal Serial Bus Connector Pin Assignments Signal Data + Ground E–3...
Page 229: External Monitor
Connector Pin Assignments Signal Red analog Green analog Blue analog Not connected Ground Ground analog Ground analog Ground analog E–4 Table D-4 External Monitor Signal +5 VDC Ground Monitor detect DDC 2B data Horizontal sync Vertical sync DDC 2B clock Maintenance and Service Guide...
Page 230 Signal Unused Ring Maintenance and Service Guide Table D-5 RJ-11 (Modem) Signal Unused Unused Unused Connector Pin Assignments E–5...
Page 231 Connector Pin Assignments Signal Transmit + Transmit – Receive + Unused E–6 Table D-6 RJ-45 (Network) Signal Unused Receive – Unused Unused Maintenance and Service Guide...
Page 232: Power Cord Set Requirements
Power Cord Set Requirements 3-Conductor Power Cord Set The wide range input feature of the computer permits it to operate from any line voltage from 100 to 120 or 220 to 240 volts AC. The power cord set included with the computer meets the requirements for use in the country or region where the equipment is purchased.
Page 233: General Requirements
Power Cord Set Requirements General Requirements The requirements listed below are applicable to all countries or regions. ■ The length of the power cord set must be at least 1.5 m (5.0 ft) and a maximum of 2.0 m (6.5 ft). ■...
Page 234 Country/Region-Specific Requirements 3-Conductor Power Cord Set Requirements Country/Region Australia Austria Belgium Canada Denmark Finland France Germany Italy Japan ✎ NOTES: 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0 mm² conductor size. Power cord set fittings (appliance coupler and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it will be used.
Page 235 Power Cord Set Requirements 3-Conductor Power Cord Set Requirements (Continued) Country/Region Korea The Netherlands Norway People’s Republic of China Sweden Switzerland Taiwan United Kingdom United States ✎ NOTES: 1. The flexible cord must be <HAR> Type HO5VV-F, 3-conductor, 1.0 mm² conductor size.
Page 236 1394 port 1–12 AC adapter, spare part number 3–18 3–21 accessory battery connector 1–19 arrow keys 1–14 audio troubleshooting 2–25 audio-in jack location 1–9 pin assignments E–2 audio-out jack location 1–9 pin assignments E–1 backing up hard drive Windows Vista C–3 Windows XP B–4 specific files or folders Windows Vista C–3...
Page 237 Index caps lock light 1–16 carrying case, spare part number 3–18 CD-ROM drive precautions 4–3 removal 5–12 spare part number 3–11 3–17 3–24 specifications 6–12 CMOS clearing 1–5 components bottom 1–19 front 1–7 keyboard 1–10 left-side 1–11 rear 1–11 right-side 1–9 top 1–15 computer feet illustrated 3–15...
Page 238 DVD±RW and CD-RW Combo Drive precautions 4–3 removal 5–12 spare part number 3–11 3–17 3–25 specifications 6–7 6–12 DVD-ROM drive precautions 4–3 removal 5–12 spare part number 3–11 3–17 3–18 5–12 specifications 6–11 electrostatic discharge 4–4 4–8 exhaust vents 1–12 expansion product spare part number 3–18 3–24...
Page 239 1–9 pin assignments E–1 heat sink removal 5–25 spare part number 3–5 3–22 5–25 HP Docking Station, spare part number 3–18 HP Extended Life Battery, spare part number 3–18 I/O address specifications 6–17 initiating a Recovery from the hard drive Recovery Partition Windows Vista C–7...
Page 240 Mini Card module removal 5–30 spare part numbers 3–7 3–9 3–11 3–24 5–30 Miscellaneous Plastics Kit (for use with docking device), spare part number 3–18 3–22 modem cable, removal 5–58 modem jack location 1–12 pin assignments E–5 modem module removal 5–47 spare part number 3–11 3–22 3–28...
Page 241 Index power, troubleshooting 2–12 processor removal 5–28 spare part numbers 3–5 3–24 3–25 5–28 rear components 1–11 Recovery Windows Vista C–5 removal/replacement preliminaries 4–1 procedures 5–1 right-side components 1–9 RJ-11 jack location 1–12 pin assignments E–5 RJ-45 jack location 1–11 pin assignments E–6 RTC battery, removal 5–35 safeguarding your data B–2...
Page 242 tools required 4–1 top components 1–15 top cover removal 5–43 spare part number 3–3 3–25 3–28 TouchPad 1–18 TouchPad left/right buttons 1–18 TouchPad scroll zone 1–18 transporting precautions 4–5 troubleshooting audio 2–25 expansion product 2–18 flowcharts 2–10 keyboard 2–28 modem 2–30 network 2–30 nonfunctioning device 2–18...

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Compaq nx7400 Rm132ut#aba

HP Compaq NX7300 Maintenance And Service Manual

1 Product Description

2 Troubleshooting

3 Illustrated Parts Catalog

4 Removal and Replacement Preliminaries

5 Removal and Replacement Procedures

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