Table of Contents
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Contents
Chapter 1. About this manual ................................................ 1
Chapter 2. Safety information ................................................ 4
Chapter 3. General information ...........................................12
Chapter 4. General Checkout ...............................................13
Chapter 5. Using the Setup Utility ......................................15
Important Safety Information ...................................................................... 1
General safety ....................................................................................................... 4
Electrical safety .................................................................................................... 5
Safety inspection guide ................................................................................... 7
Handling electrostatic discharge-sensitive devices ......................... 8
Grounding requirements ............................................................................... 8
Safety notices ........................................................................................................ 9
Specifications ..................................................................................................... 12
Problem determination tips ...................................................................... 14
Starting the Setup Utility program ......................................................... 15
Viewing and changing settings ................................................................ 15
Using passwords .............................................................................................. 16
Using Device ...................................................................................................... 18
Selecting a startup device ........................................................................... 19
Exiting from the Setup Utility program ................................................ 20
Contents
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Table of Contents
Related Manuals for Lenovo IdeaCentre A700 4024
Summary of Contents for Lenovo IdeaCentre A700 4024
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Page 1: Table Of Contents
Contents Contents Chapter 1. About this manual ..........1 Important Safety Information ..............1 Important information about replacing RoHS compliant FRUs .. 2 Chapter 2. Safety information ..........4 General safety ....................... 4 Electrical safety ....................5 Safety inspection guide ................... 7 Handling electrostatic discharge-sensitive devices ...... - Page 2 Hardware Maintenance Manual Chapter 6. Symptom-to-FRU Index........21 Hard disk drive boot error ................21 Power Supply Problems ................22 POST error codes ..................... 22 Undetermined problems ................24 Chapter 7. Locations ...............25 Locating components and connectors ..........25 Chapter 8. Replacing hardware ...........29 General information ..................
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Page 3: Chapter 1. About This Manual
IdeaCentre A7 computers listed on the cover. It is intended only for trained servicers who are familiar with Lenovo computer products. Before servicing a Lenovo product, be sure to read the Safety Information. The description of the TV card in this manual is only used for the machines which have the TV card. -
Page 4: Important Information About Replacing Rohs Compliant Frus
Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS requirements must be implemented on Lenovo products placed on the market after June 2006. Products on the market before June 2006 are not required to have RoHS compliant parts. - Page 5 Chapter 1. About this manual • California Senate Bills 20, 50: http://www.ciwmb.ca.gov/HHW/Events/AnnualConf/2004/ presentation/MPaparian.pdf...
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Page 6: Chapter 2. Safety Information
Hardware Maintenance Manual Safety information This chapter contains the safety information that you need to be familiar with before servicing a computer. General safety Follow these rules to ensure general safety: • Observe good housekeeping in the area of the machines during and after maintenance. -
Page 7: Electrical Safety
Chapter 2. Safety information • Wear safety glasses when you are: hammering, drilling soldering, cutting wire, attaching springs, using solvents, or working in any other conditions that might be hazardous to your eyes. • After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective. - Page 8 Hardware Maintenance Manual • If you need to work on a machine that has exposed electrical circuits, observe the following precautions: – Ensure that another person, familiar with the power-off controls, is near you. Remember: Another person must be there to switch off the power, if necessary.
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Page 9: Safety Inspection Guide
Chapter 2. Safety information Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products. Each machine, as it was designed and built, had required safety items installed to protect users and service personnel from injury. -
Page 10: Handling Electrostatic Discharge-Sensitive Devices
Hardware Maintenance Manual Handling electrostatic discharge-sensitive devices Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge. -
Page 11: Safety Notices
Chapter 2. Safety information Safety notices The caution and danger safety notices in this section are provided in the the language of English. DANGER Electrical current from power, telephone and communication cables is hazardous. To avoid a shock hazard: • Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm. - Page 12 Hardware Maintenance Manual CAUTION: When replacing the lithium battery, use only Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of.
- Page 13 Chapter 2. Safety information CAUTION: Use safe practices when lifting. CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.
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Page 14: Chapter 3. General Information
This chapter provides general information that applies to all machine types supported by this publication. Specifications This section lists the physical specifications for your computer. Type Lenovo IdeaCentre A7 This section lists the physical specifications. Environment Air temperature: Operating: 10° to 35°C Transit: -20°... -
Page 15: Chapter 4. General Checkout
Chapter 4. General Checkout General Checkout Attention The drives in the computer you are servicing might have been rearranged or the drive startup sequence changed. Be extremely careful during write operations such as copying, saving, or formatting. Data or programs can be overwritten if you select an incorrect drive. -
Page 16: Problem Determination Tips
Hardware Maintenance Manual 5. Power-on the computer. • Look for displayed error codes • Look for readable instructions or a main menu on the display. If you did not receive the correct response, proceed to step 6. If you do receive the correct response, proceed to step 7. 6. Look at the following conditions and follow the instructions: • If the computer displays a POST error, go to“POST error codes”. -
Page 17: Chapter 5. Using The Setup Utility
Chapter 5. Using the Setup Utility Using the Setup Utility The Setup Utility program is used to view and change the configuration settings of your computer, regardless of which operating system you are using. However, the operating-system settings might override any similar settings in the Setup Utility program. -
Page 18: Using Passwords
Hardware Maintenance Manual Using passwords By using the Setup Utility program, you can set passwords to prevent unauthorized persons from gaining access to your computer and data. See “Starting the Setup Utility program. ” The following types of passwords are available: • Administrator Password • Power-On Password You do not have to set any passwords to use your computer. -
Page 19: Setting, Changing, And Deleting A Administrator Password
Chapter 5. Using the Setup Utility Setting, changing, and deleting a Administrator password To set, change, or delete a password, do the following: Note A password can be any combination of up to 64 characters (a-z, and 0-9). For more information, see “Password considerations” on page 16. 1. -
Page 20: Using Device
Hardware Maintenance Manual 3. The password dialog box will be displayed. Type the new password, and press Enter. 4. when prompted to confirm the password, type the password again. If you type the password correctly, the password will be installed. To change and delete a previously Power-On Password, do the following: 1. -
Page 21: Selecting A Startup Device
Chapter 5. Using the Setup Utility Selecting a startup device If your computer does not start up (boot) from a device such as the CD-ROM, diskette, or hard disk as expected, use one of the following procedures to select a startup device. Selecting a temporary startup device Use this procedure to startup from any boot device. -
Page 22: Exiting From The Setup Utility Program
Hardware Maintenance Manual Exiting from the Setup Utility program When you finish viewing or changing settings, press Esc to return to the Setup Utility program menu (you might have to press Esc several times). If you want to save the new settings, select Save changes and Exit on the Exit menu before you exit. -
Page 23: Chapter 6. Symptom-To-Fru Index
Chapter 6. Symptom-to-FRU Index Symptom-to-FRU Index The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause is listed first. Always begin with Chapter 4, “General Checkout, ” on page 13. This index can also be used to help you decide which FRUs to have available when servicing a computer. -
Page 24: Power Supply Problems
Hardware Maintenance Manual Error FRU/Action The boot sector on the start-up The drive must be formatted do the drive is corrupted. following: 1. Attempt to back-up the data on the failing hard disk drive. 2. Using the operating systems programs format the hard disk drive. - Page 25 Chapter 6. Symptom-to-FRU Index POST Error Message Description/Action CMOS Date/Time Not Set The CMOS Date and/or Time are invalid. This error can be resolved by readjusting the system time in AMI BIOS Setup. CMOS Battery Low The CMOS battery is no longer functional.
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Page 26: Undetermined Problems
Hardware Maintenance Manual Undetermined problems If this computer has a parallel ATA hard disk drive, make sure that the hard disk drive is jumpered as a master and the optical drive is jumpered as a slave. 1. Power-off the computer. 2. -
Page 27: Chapter 7. Locations
Chapter 7. Locations Locations This section provides illustrations to help locate the various connectors, controls and components of the computer. Locating components and connectors The following illustrations will help you to locate the various components and connectors in your computer. Internal components The following illustration shows the components inside your computer. - Page 28 Hardware Maintenance Manual Computer cover Motherboard cover Hard disk drive Optical disk drive Connectors Module System fans Heatsink Inverter board Bluetooth module Speakers Memory module WLAN module TV tuner card Touch module Camera Chassis LED panel Front bezel Identifying parts on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in your computer.
- Page 29 Chapter 7. Locations Front view of the system board 3 4 5 6 4 Card reader connector eSATA connector 1394 connector USB connector(2) Headphone connector Microphone connector WLAN connector Memory module connector TV tuner card connector...
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Page 30: Rear View Of The Computer
Hardware Maintenance Manual Rear view of the computer TV tuner port (selected models) Bluetooth reset button AV-IN ports USB ports (4) Ethernet port SPDIF port HDMI in port HDMI out port Power socket... -
Page 31: Chapter 8. Replacing Hardware
Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport.lenovo.com. Note Use only parts provided by Lenovo. General information Pre-disassembly instructions Before proceeding with the disassembly procedure, make sure that you do the following: 1. -
Page 32: Removing The Computer Stand
Hardware Maintenance Manual Removing the computer stand Attention Turn off the computer and wait 3 to 5 minutes to let the computer cool before removing the computer stand. To remove the computer stand: 1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down the operating system, turn off all attached devices, and the computer. - Page 33 Chapter 8. Replacing hardware 5. Remove the 2 screws that secure the computer stand to the chassis. 6. Slide out then lift up the computer stand. Warning When finish replacing a FRU, follow the bellowing instructions to install back computer stand. Incorrect operations may damage the computer stand. To install the computer computer stand 1.
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Page 34: Removing The Computer Cover
To remove the computer cover: Note For this procedure, it helps to place the computer face-down on a soft flat surface. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the screen surface from scratches or other damage. -
Page 35: Removing The Motherboard Cover
Chapter 8. Replacing hardware Removing the motherboard cover 1. Remove the computer stand. Refer to “Removing the computer stand”. 2. Remove the computer cover. Refer to “Removing the computer cover”. 3. Remove the 5 screws that secure the motherboard cover to the computer chassis. - Page 36 To replace the hard disk drive: Note For this procedure, it helps to place the computer face-down on a soft flat surface. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the screen surface from scratches or other damage.
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Page 37: Replacing The Optical Disk Drive
To replace the optical disk drive Note For this procedure, it helps to place the computer face-down on a soft flat surface. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the screen surface from scratches or other damage. - Page 38 Hardware Maintenance Manual 1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down the operating system, turn off all attached devices, and the computer. 2. Unplug all power cords from electrical outlets. 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.
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Page 39: Replacing A Memory Module
Note For this procedure, it helps to place the computer face-down on a soft flat surface. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the touch screen surface from scratches or other damage. -
Page 40: Replacing Connectors Module
Note For this procedure, it helps to place the computer face-down on a soft flat surface. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the touch screen surface from scratches or other damage. - Page 41 Chapter 8. Replacing hardware 6. Remove the motherboard cover. Refer to “Removing the motherboard cover”. 7. Remove the 2 screws that secure the connectors module to the motherboard . 8. Disconnect the TV antenna cable from the connectors module. 9. Lift up the connectors module. 10.
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Page 42: Replacing The System Fans
Hardware Maintenance Manual Replacing the system fans To remove the system fans: 1. Removing the computer stand. Refer to “Removing the computer stand”. 2. Removing the computer cover. Refer to “Removing the computer cover”. 3. Removing the motherboard cover. Refer to “Removing the motherboard cover”. -
Page 43: Replacing The Heatsink
Chapter 8. Replacing hardware Replacing the heatsink To remove the heatsink: 1. Removing the computer stand. Refer to “Removing the computer stand”. 2. Removing the computer cover. Refer to “Removing the computer cover”. 3. Removing the motherboard cover. Refer to “Removing the motherboard cover”. -
Page 44: Removing The Inverter Board
Hardware Maintenance Manual Removing the inverter board To remove the inverter board 1. Remove the computer stand. Refer to “Removing the computer stand”. 2. Remove the computer cover. Refer to “Removing the computer cover”. 4. Remove the 2 screws that secure the inverter board to the chassis. 5. -
Page 45: Replacing The Touch Module
Chapter 8. Replacing hardware Replacing the touch module To replace the touch module: 1. Remove the computer stand. Refer to “Removing the computer stand”. 2. Remove the computer cover. Refer to “Removing the computer cover”. 3. Remove the 2 screws that secure the touch module to the chassis. 4. -
Page 46: Replacing The Bluetooth Module
Hardware Maintenance Manual Replacing the bluetooth module To replace the bluetooth module: 1. Remove the computer stand. Refer to “Removing the computer stand”. 2. Remove the computer cover. Refer to “Removing the computer cover”. 3. Push the pins to release the bluetooth module and container from the chassis. -
Page 47: Replacing The Wlan Card Card
Chapter 8. Replacing hardware Replacing the WLAN card card 1. Remove the computer stand. Refer to “Removing the computer stand”. 2. Remove the computer cover. Refer to “Removing the computer cover”. 3. Remove the motherboard cover. Refer to “Removing the motherboard cover”. -
Page 48: Replacing The Speakers System
Hardware Maintenance Manual 5. Remove the screw that secures the TV tuner card to motherboard, and pull it upward. 6. Align then insert the new TV tuner card to the card port and screw it in to the motherboard. 7. Reconnect the antenna cables back to the new TV tuner card. 8. -
Page 49: Replacing The Motherboard
Chapter 8. Replacing hardware 7. Lift up the speakers system. 8. Align then screw in the new speakers system. 9. Connect the new speakers cables to the motherboard. 10. Install the motherboard cover connectors module back. 11. Install the computer cover and computer stand. Replacing the motherboard To replace the motherboard 1. -
Page 50: Replacing The Led Panel
Hardware Maintenance Manual 7. Remove the system fans. Refer to “Replacing the system fans”. 8. Remove the heatsink. Refer to “Replacing the heatsink”. 9. Remove the WLAN card. Refer to “Replacing the WLAN card”. 10. Remove all the cables that connected to the motherboard. 11. - Page 51 Chapter 8. Replacing hardware 7. Remove the system fans. Refer to “Replacing the system fans”. 8. Remove the heatsink. Refer to “Replacing the heatsink”. 9. Remove the speakers system. Refer to “Replacing the speakers systems”. 10. Remove the hard disk drive. Refer to “Replacing the hard disk drive”. 11.
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Page 52: Replacing The Camera
Hardware Maintenance Manual 19. Align then place the new LED panel into to chassis. 20. Connect the cables to the new LED panel, and screw in the new LED panel to the chassis. 21. Install all relative parts back. 22. Install the computer back cover and the computer stand. Replacing the camera To replace the camera 1. - Page 53 Chapter 8. Replacing hardware 19. Disconnect the cable from the camera. 20. Connect the cable to the new camera. 21. Align then install the new camera. 22. Install all relative parts back. 23. Install the computer back cover and the computer stand.
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Page 54: Replacing The Keyboard
Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport.lenovo.com. To replace the keyboard: 1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down the operating system, and turn off all attached devices and the computer. -
Page 55: Replacing The Mouse
Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport.lenovo.com. To replace the mouse: 1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down the operating system, and turn off all attached devices and the computer. -
Page 56: Replacing The Power Cord Or Power Adapter
Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at: http://consumersupport.lenovo.com. To replace the power cord and power adapter: 1. Remove any media (diskettes, CDs, or memory cards) from the drives, shut down the operating system, and turn off all attached devices and the computer. -
Page 57: Chapter 9. Additional Service Information
Chapter 8. Additional Service Information Additional Service Information This chapter provides additional information that the service representative might find helpful. Power management Power management reduces the power consumption of certain components of the computer such as the system power supply, processor, hard disk drives, and some monitors. - Page 58 Thank you for using Lenovo products. Carefully read all of the documents shipped with your computer before you install and use the product for the first time. Lenovo will not assume responsibility for damage that results from failure to operate the product according to the instructions and requirements described in the manuals included with your computer.
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Page 59: Appendix. Statement
Advanced Micro Devices, Inc. in the United States and/or other jurisdictions. The table above includes the logo and registered trademarks of Lenovo and its partners. Other registered trademarks mentioned in any or all of the manuals included with your computer belong to the specific company respectively.