Dell Inspiron 3471 Service Manual
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Dell Inspiron 3471 Service Manual

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Inspiron 3471
Service Manual
Regulatory Model: D13S
Regulatory Type: D13S003

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Summary of Contents for Dell Inspiron 3471

  • Page 1 Inspiron 3471 Service Manual Regulatory Model: D13S Regulatory Type: D13S003...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents 1 Working inside your computer......................7 Safety instructions.................................7 Before working inside your computer..........................7 Before you begin ................................7 Electrostatic discharge—ESD protection.......................... 8 ESD field service kit ................................8 Transporting sensitive components............................ 9 After working inside your computer............................9 2 Recommended tools........................10 3 Screw list...........................
  • Page 4 13 Replacing the 2.5-inch hard drive....................26 Procedure..................................... 26 Post-requisites..................................27 14 Removing the 3.5-inch hard drive....................28 Prerequisites..................................28 Procedure..................................... 28 15 Replacing the 3.5-inch hard drive....................30 Procedure..................................... 30 Post-requisites..................................31 16 Removing the optical drive......................32 Prerequisites..................................32 Procedure..................................... 32 17 Replacing the optical drive......................35 Procedure.....................................
  • Page 5 25 Replacing the solid-state drive....................46 Procedure..................................... 46 Post-requisites..................................46 26 Removing the antenna modules....................47 Prerequisites..................................47 Procedure..................................... 47 27 Replacing the antenna modules....................48 Procedure..................................... 48 Post-requisites..................................48 28 Removing the power-button module..................49 Prerequisites..................................49 Procedure..................................... 49 29 Replacing the power-button module................... 51 Procedure....................................51 Post-requisites..................................52 30 Removing the power-supply unit....................53...
  • Page 6 Enhanced Pre-Boot System Assessment (ePSA) diagnostics..................78 Running the ePSA diagnostics............................. 78 Diagnostics................................... 78 Recovering the operating system............................79 Flashing BIOS (USB key)..............................79 Flashing the BIOS................................79 WiFi power cycle................................. 80 Flea power release................................80 40 Getting help and contacting Dell....................81 Contents...

  • Page 7: Working Inside Your Computer

    You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at www.dell.com/regulatory_compliance.

  • Page 8: Electrostatic Discharge-Esd Protection

    Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

  • Page 9: Transporting Sensitive Components

    Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport.

  • Page 10: Recommended Tools

    Recommended tools The procedures in this document may require the following tools: • Phillips screwdriver #1 • Flat-head screwdriver • Plastic scribe Recommended tools...

  • Page 11: Screw List

    Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced.
  • Page 12 Component Secured to Screw type Quantity Screw image Front-I/O bracket Chassis #6-32x6.35 System board Chassis #6-32x6.35 Screw list...

  • Page 13: Inside View Of Your Computer

    Inside view of your computer Figure 1. Inside view of your computer 1. memory modules 2. system board 3. processor fan and heat-sink assembly 4. hard-drive assembly 5. drive cage 6. power-supply unit Inside view of your computer...

  • Page 14: System-Board Components

    System-board components Figure 2. System-board components 1. power-button module cable connector 2. coin-cell battery 3. wireless-card slot (M.2_WIFI) 4. power-supply unit cable connector (ATX_SYS) 5. optical-drive data cable connector (SATA2) 6. PCI-Express x16 card slot (SLOT2) 7. PCI-Express x1 card slot (SLOT1) 8.

  • Page 15: Removing The Computer Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Place the computer on its side. 2. Remove the two screws (#6-32x6.35) that secure the computer cover to the chassis.

  • Page 16: Replacing The Computer Cover

    For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Align the tabs on the computer cover with the slots on the chassis and slide it towards the front of the computer until it snaps into place.

  • Page 17: Removing The Front Bezel

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Place the computer in an upright position. 2. Gently pry and release the front-bezel tabs sequentially from the top.

  • Page 18: Prerequisites

    Prerequisites Remove the computer cover. Removing the front bezel...

  • Page 19: Replacing The Front Bezel

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Align the front-bezel tabs with the front-panel slots on the chassis. 2. Rotate the front bezel towards the chassis until it snaps into place.

  • Page 20: Post-Requisites

    Post-requisites Replace the computer cover. Replacing the front bezel...

  • Page 21: Removing The Fan Shroud

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the computer cover. Procedure 1.

  • Page 22: Replacing The Fan Shroud

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Align the tabs on the fan shroud with the slots on the thermal-cooling assembly and snap it into place. Post-requisites...

  • Page 23: Removing The 2.5-Inch Hard Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Disconnect the power cables and the data cables from the hard drive. 2. Remove the screw (#6-32x3.6) that secures the hard-drive assembly to the drive cage.
  • Page 24 4. Remove the four screws (M3x3.5) that secure the top hard drive to the hard-drive bracket. 5. Lift the top hard drive off the hard-drive bracket. NOTE: Note the orientation of the hard drive so that you can replace it correctly. 6.

  • Page 25: Prerequisites

    Prerequisites Remove the computer cover. Removing the 2.5-inch hard drive...

  • Page 26: Replacing The 2.5-Inch Hard Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Slide the bottom hard drive into the hard-drive bracket. 2. Align the screw holes on the bottom hard drive with the screw holes on the hard-drive bracket.

  • Page 27: Post-Requisites

    8. Connect the data cables and power cables to the hard drive. Post-requisites Replace the computer cover. Replacing the 2.5-inch hard drive...

  • Page 28: Removing The 3.5-Inch Hard Drive

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the computer cover. 2. Remove the front bezel.
  • Page 29 5. Turn the hard-drive assembly over. 6. Remove the two screws (#6-32x3.6) that secure the hard-drive bracket to the hard-drive assembly. 7. Slide the hard drive out of the hard-drive bracket. Removing the 3.5-inch hard drive...

  • Page 30: Replacing The 3.5-Inch Hard Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Slide the hard drive into the hard-drive bracket. 2. Align the screw holes on the hard drive with the screw holes on the hard-drive bracket.

  • Page 31: Post-Requisites

    Post-requisites 1. Replace the front bezel. 2. Replace the computer cover. Replacing the 3.5-inch hard drive...

  • Page 32: Removing The Optical Drive

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the computer cover. 2. Remove the front bezel.
  • Page 33 7. Turn the drive cage over and remove the three screws (M2x2) that secure the optical drive to the optical-drive bracket. 8. Slide the optical drive out of the optical-drive bracket. 9. Insert a pin into the optical-drive emergency eject pinhole to release the optical drive. 10.
  • Page 34 Removing the optical drive...

  • Page 35: Replacing The Optical Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Align and replace the optical-drive bezel to the optical drive. 2. Slide the optical drive into the optical-drive cage 3.

  • Page 36: Post-Requisites

    7. Slide the drive cage into the slot on the chassis and snap it into place. 8. Align the screw hole on the drive cage with the screw hole on the chassis and replace the two screws (#6-32x6.35) that secure the drive cage to the chassis.

  • Page 37: Removing The Memory Modules

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the computer cover. 2. Remove the front bezel.

  • Page 38: Replacing The Memory Modules

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Insert the memory module into the memory-module slot and press the memory module down until the securing clips lock in place.

  • Page 39: Removing The Coin-Cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.

  • Page 40: Replacing The Coin-Cell Battery

    For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Insert a new coin-cell battery (CR2032) into the battery socket with the positive side facing up, and snap the battery into place.

  • Page 41: Removing The Wireless Card

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the computer cover. 2. Remove the front bezel.
  • Page 42 Removing the wireless card...

  • Page 43: Replacing The Wireless Card

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme for the wireless card supported by your computer.

  • Page 44: Removing The Solid-State Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. CAUTION: To avoid data loss, do not remove the solid-state drive while the computer is in sleep or on state.
  • Page 45 Removing the solid-state drive...

  • Page 46: Replacing The Solid-State Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. Procedure 1.

  • Page 47: Removing The Antenna Modules

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the computer cover. 2. Remove the front bezel.

  • Page 48: Replacing The Antenna Modules

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Align and adhere the antenna modules to the chassis. 2. Route the antenna cables through the routing guides on the chassis.

  • Page 49: Removing The Power-Button Module

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the computer cover. 2. Remove the front bezel.
  • Page 50 Removing the power-button module...

  • Page 51: Replacing The Power-Button Module

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Route the power-button board cable through the slot on the front panel. 2. Connect the power-button board cable to the system board.

  • Page 52: Post-Requisites

    Post-requisites 1. Follow the procedure from step 5 to step 8 in “Replacing the optical drive”. 2. Replace the front bezel. 3. Replace the computer cover. Replacing the power-button module...

  • Page 53: Removing The Power-Supply Unit

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the computer cover. 2. Remove the front bezel.
  • Page 54 Removing the power-supply unit...

  • Page 55: Replacing The Power-Supply Unit

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Place the power-supply unit on the chassis. 2. Slide the power-supply unit towards the back of the chassis until it snaps into place.

  • Page 56: Post-Requisites

    Post-requisites 1. Follow the procedure from step 5 to step 8 in “Replacing the optical drive”. 2. Replace the front bezel. 3. Replace the computer cover. Replacing the power-supply unit...

  • Page 57: Removing The Thermal-Cooling Assembly

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the computer cover. 2. Remove the shroud.

  • Page 58: Replacing The Thermal-Cooling Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure 1. Align the captive screws on the thermal-cooling assembly with the screw holes on the system board. 2. Tighten the captive screws that secure the thermal-cooling to the system board.

  • Page 59: Removing The Processor

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites 1. Remove the computer cover. 2. Remove the front bezel.

  • Page 60: Replacing The Processor

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: If either the processor or the heat sink is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.

  • Page 61: Removing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.
  • Page 62 3. Disconnect the optical-drive data cable from the system board. 4. Disconnect the power-supply unit cable from the system board. 5. Disconnect the hard-drive data cable from the system board. 6. Disconnect the hard drive and optical-drive power cable from the system board. 7.
  • Page 63 Removing the system board...

  • Page 64: Replacing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

  • Page 65: Post-Requisites

    9. Align and place the front-I/O bracket on the chassis. 10. Replace the screw (#6-32x6.35) that secure the front-I/O bracket to the chassis. Post-requisites 1. Replace the processor. 2. Replace the thermal-cooling assembly. 3. Replace the wireless card. 4. Replace the memory modules.
  • Page 66 7. Replace the computer cover. Replacing the system board...

  • Page 67: System Setup

    Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can: •...

  • Page 68: System Setup Options

    • SATA Hard Drive (if available) • Diagnostics NOTE: Choosing Diagnostics, will display the ePSA diagnostics screen. The boot sequence screen also displays the option to access the System Setup screen. System setup options NOTE: Depending on this computer and its installed devices, the items listed in this section may or may not appear. Table 3.
  • Page 69 General SATA-0 Displays the SATA-0 device information of the computer. SATA-1 Displays the SATA-1 device information of the computer. SATA-2 Displays the SATA-2 device information of the computer. SATA-3 Displays the SATA-3 device information of the computer. M.2 PCIe SSD-0 Displays the M.2 PCIe SSD information of the computer.
  • Page 70 System Configuration • RAID On (default) Drives Enable or disable various drives on board. • SATA-0 • SATA-1 • SATA-2 • SATA-3 • M.2 PCIe SSD-0 By default, all the check boxes are selected. SMART Reporting Enable or disable Self-Monitoring, Analysis, and Reporting Technology (SMART) during system startup.
  • Page 71 Table 6. System setup options—Security menu Security Admin Password Set, change, or delete the administrator password. NOTE: You must set the admin password before you set the computer or hard drive password. Deleting the admin password automatically deletes the computer password and the hard drive password. NOTE: Successful password changes take effect immediately.
  • Page 72 Secure Boot By default, Enable Custom Mode is selected. If Enable Custom Mode is selected, the options are: • PK (default) • • • After selecting an option, the subsequent actions are: • Save to File—Saves the key to a user-selected file. •...
  • Page 73 Table 10. System setup options—Power Management menu Power Management AC Recovery Enable or disable the automatic power-on when an AC adapter is connected. • Power Off (default) • Power On • Last Power State Enable Intel Speed Shift Technology Enable or disable the Intel Speed Shift Technology support. By default, Enable Intel Speed Shift Technology is selected.
  • Page 74 POST Behavior • 0 seconds (default) • 5 seconds • 10 seconds Full Screen Logo Display the full screen logo if your image matches the screen resolution. By default, Enable Full Screen Logo is not selected. Warnings and Errors Enable or disable prompts on warning and errors. •...

  • Page 75: Clearing Forgotten Passwords

    L1 Only Table 17. System setup options—SupportAssist System Resolution menu SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for the Dell OS Recovery tool. • • • 2 (default) •...

  • Page 76: Post-Requisites

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Prerequisites Remove the computer cover. Procedure 1.

  • Page 77: Post-Requisites

    Post-requisites Replace the computer cover. System setup...

  • Page 78: Troubleshooting

    Running the ePSA diagnostics 1. Turn on your computer. 2. As the computer boots, press the F12 key as the Dell logo appears. 3. On the boot menu screen, select the Diagnostics option. 4. Click the arrow at the bottom left corner.

  • Page 79: Recovering The Operating System

    You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures.

  • Page 80: Wifi Power Cycle

    8. After the download is complete, navigate to the folder where you saved the BIOS update file. 9. Double-click the BIOS update file icon and follow the instructions on the screen. WiFi power cycle If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be performed. The following procedure provides the instructions on how to conduct a WiFi power cycle: NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device.

  • Page 81: Getting Help And Contacting Dell

    Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 19. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell Tips Contact Support In Windows search, type Contact Support, and press Enter.

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