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Dell Inspiron 3470 Service Manual

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See also: Owner's Manual
Inspiron 3470
Service Manual
Computer Model: Inspiron 3470
Regulatory Model: D13S
Regulatory Type: D13S003

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Summary of Contents for Dell Inspiron 3470

  • Page 1 Inspiron 3470 Service Manual Computer Model: Inspiron 3470 Regulatory Model: D13S Regulatory Type: D13S003...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2018 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 Before working inside your computer......................7 Before you begin ................................7 Safety instructions................................7 Recommended tools................................8 Screw list.....................................8 2 After working inside your computer....................... 9 3 Technical overview............................10 Inside view of your computer............................10 System board components.............................. 11 4 Removing the computer cover ........................12 Procedure..................................
  • Page 4 Procedure..................................24 13 Replacing the 3.5-inch hard drive....................... 26 Procedure..................................26 Post-requisites..................................27 14 Removing the optical drive......................... 28 Prerequisites..................................28 Procedure..................................28 15 Replacing the optical drive.......................... 31 Procedure..................................31 Post-requisites..................................32 16 Removing the memory modules........................33 Prerequisites..................................33 Procedure..................................33 17 Replacing the memory modules........................35 Procedure..................................35 Post-requisites..................................35 18 Removing the coin-cell battery........................
  • Page 5 Procedure..................................45 25 Replacing the antenna modules......................... 46 Procedure..................................46 Post-requisites..................................46 26 Removing the power-button module......................47 Prerequisites..................................47 Procedure..................................47 27 Replacing the power-button module......................49 Procedure..................................49 Post-requisites................................. 50 28 Removing the power-supply unit........................ 51 Prerequisites..................................51 Procedure..................................51 29 Replacing the power-supply unit........................53 Procedure..................................53 Post-requisites..................................54 30 Removing the thermal-cooling assembly....................
  • Page 6 Reinstall Windows using a USB recovery drive......................79 Enhanced Pre-Boot System Assessment (ePSA) diagnostics...................80 Running the ePSA diagnostics..........................80 Diagnostics..................................80 Flea power release................................81 Wi-Fi power cycle................................81 40 Getting help and contacting Dell........................82 Self-help resources................................82 Contacting Dell................................. 82 Contents...

  • Page 7: Before 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: Recommended Tools

    CAUTION: Press and eject any installed card from the media-card reader. Recommended tools The procedures in this document may require the following tools: • Phillips screwdriver #1 • Plastic scribe Screw list The following table provides the list of screws that are used for securing different components to the computer. Table 1.

  • Page 9: After Working Inside Your Computer

    After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Replace all screws and ensure that no stray screws remain inside your computer. Connect any external devices, peripherals, or cables you removed before working on your computer. Replace any media cards, discs, or any other parts that you removed before working on your computer.

  • Page 10: Technical Overview

    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. Topics: • Inside view of your computer •...

  • Page 11: System Board Components

    System board components power-button module cable connector coin-cell battery wireless-card slot (M.2_WIFI) power-supply unit cable connector (ATX_SYS) optical-drive data cable connector (SATA2) PCI-Express x16 card slot (SLOT2) PCI-Express x1 card slot (SLOT1) service mode jumper password clear jumper CMOS clear jumper solid-state drive slot (M.2 SSD) processor socket processor power connector (ATX_CPU)

  • Page 12: Removing The Computer Cover

    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 Place the computer on its side. Remove the two screws (#6-32xL6.35) that secure the computer cover to the chassis.

  • Page 13: Replacing 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 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 14: Removing The Front Bezel

    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. Topics: • Prerequisites • Procedure...
  • Page 15 Removing the front bezel...

  • Page 16: Replacing The Front Bezel

    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. Topics: • Procedure • Post-requisites Procedure Align the tabs on the front bezel with the front-panel slots.

  • Page 17: Post-Requisites

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

  • Page 18: 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. Topics: • Prerequisites • Procedure...

  • Page 19: Replacing 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. Topics: • Procedure • Post-requisites Procedure Align the tabs on the fan shroud with the slots on the thermal-cooling assembly and snap it into place.

  • Page 20: Removing The 2.5-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. Topics: • Prerequisites • Procedure...
  • Page 21 Remove the four screws (M3xL3.5) that secure the top hard drive to the hard-drive bracket. 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. Remove the four screws (M3xL3.5) that secure the bottom hard drive to the hard-drive bracket. Slide the bottom hard drive out of the hard-drive bracket.

  • Page 22: Replacing The 2.5-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. Topics: • Procedure • Post-requisites Procedure Slide the bottom hard drive into the hard-drive bracket.

  • Page 23: Post-Requisites

    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 24: 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. Topics: • Prerequisites • Procedure...
  • Page 25 Turn the hard-drive assembly over. Remove the two screws (#6-32xL3.6) that secure the hard-drive bracket to the hard-drive assembly. Slide the hard drive out of the hard-drive bracket. Removing the 3.5-inch hard drive...

  • Page 26: Replacing 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. Topics: • Procedure • Post-requisites Procedure Slide the hard drive into the hard-drive bracket.

  • Page 27: Post-Requisites

    Replace the two screws (#6-32xL6.35) that secure the hard-drive assembly to the drive cage. Connect the power cable and data cable to the hard-drive assembly. Post-requisites Replace the front bezel. Replace the computer cover. Replacing the 3.5-inch hard drive...

  • Page 28: 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. Topics: • Prerequisites • Procedure...
  • Page 29 Lift the drive cage out of the chassis. Turn the drive cage over and remove the three screws (M2xL2) that secure the optical drive to the optical-drive bracket. Slide the optical drive out of the optical-drive bracket. Insert a pin into the optical-drive emergency eject pinhole to release the optical drive. Using a plastic scribe, gently push the tabs to release the optical-drive bezel from the optical drive.
  • Page 30 Removing the optical drive...

  • Page 31: Replacing 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. Topics: • Procedure • Post-requisites Procedure Align and replace the optical-drive bezel to the optical drive.

  • Page 32: Post-Requisites

    Slide the drive cage into the slot on the chassis and snap it into place. Align the screw hole on the drive cage with the screw hole on the chassis and replace the two screws (#6-32xL6.35) that secure the drive cage to the chassis. Post-requisites Replace the front...

  • Page 33: 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. Topics: • Prerequisites • Procedure...
  • Page 34 Removing the memory modules...

  • Page 35: Replacing 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. Topics: • Procedure • Post-requisites Procedure Align the notch on the memory module with the tab on the memory-module slot.
  • Page 36 Replace the computer cover. Replacing the memory modules...

  • Page 37: Removing The Coin-Cell Battery

    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: 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 38: Replacing The Coin-Cell Battery

    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. Topics: • Procedure • Post-requisites 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 39: 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. Topics: • Prerequisites • Procedure...
  • Page 40 Removing the wireless card...

  • Page 41: Replacing 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. Topics: • Procedure • Post-requisites Procedure Connect the antenna cables to the wireless card.

  • Page 42: 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.
  • Page 43 Removing the solid-state drive...

  • Page 44: 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.

  • Page 45: 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. Topics: • Prerequisites • Procedure...

  • Page 46: Replacing 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. Topics: • Procedure • Post-requisites Procedure Align and adhere the antenna modules to the chassis.

  • Page 47: 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. Topics: • Prerequisites • Procedure...
  • Page 48 Removing the power-button module...

  • Page 49: Replacing 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. Topics: • Procedure • Post-requisites Procedure Route the power-button board cable through the slot on the front panel.

  • Page 50: Post-Requisites

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

  • Page 51: 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. Topics: • Prerequisites • Procedure...
  • Page 52 Press the clamp and slide the power-supply unit towards the front of the chassis to release it from the chassis. Lift the power-supply unit, along with the cables, off the chassis. Removing the power-supply unit...

  • Page 53: Replacing 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. Topics: • Procedure • Post-requisites Procedure Place the power-supply unit on the chassis.

  • Page 54: Post-Requisites

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

  • Page 55: 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. Topics: • Prerequisites • Procedure...

  • Page 56: Replacing 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. Topics: • Procedure • Post-requisites Procedure Align the captive screws on the thermal-cooling assembly with the screw holes on the system board.

  • Page 57: 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. Topics: • Prerequisites • Procedure...

  • Page 58: 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 59: 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 60 Disconnect the optical-drive data cable from the system board. Disconnect the power-supply unit cable from the system board. Disconnect the hard-drive data cable from the system board. Disconnect the hard drive and optical-drive power cable from the system board. Disconnect the power-button module from the system board. Disconnect the processor power-cable from the system board and remove the processor power-cable from the routing guides on the chassis.
  • Page 61 Removing the system board...

  • Page 62: 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 63 Connect the hard-drive data cable to the system board. Connect the hard drive and optical-drive power cable to the system board. Connect the power-button module cable to the system board. Route the processor power-cable through the routing guides on the chassis and connect the cable to the system board. Align and place the front-I/O bracket on the chassis.

  • Page 64: Post-Requisites

    Post-requisites Replace the processor. Replace the thermal-cooling assembly. Replace the wireless card. Replace the memory modules. Follow the procedure from step 5 to step 8 in “Replacing the optical drive”. Replace the front bezel. Replace the computer cover. Replacing the system board...

  • Page 65: Downloading Drivers

    Downloading drivers Downloading the Audio driver Turn on your computer. Go to www.dell.com/support. Enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your computer model.

  • Page 66: Downloading The Storage Driver

    Double-click the graphics driver file icon and follow the instructions on the screen to install the driver. Downloading the Storage driver Turn on your computer. Go to www.dell.com/support. Enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your computer model.

  • Page 67: Downloading The Network Driver

    Double-click the chipset driver file icon and follow the instructions on the screen to install the driver. Downloading the Network driver Turn on your computer. Go to www.dell.com/support. Enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your computer model.
  • Page 68 NOTE: Not all files can be installed automatically. Review the installation summary to identify if manual installation is necessary. For manual download and installation, click Category. Click network in the drop-down list. Click Download to download the Serial ATA driver for your computer. Save the file, and after the download is complete, navigate to the folder where you saved the network driver file.

  • Page 69: 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 70: Bios Overview

    Entering BIOS setup program Turn on (or restart) your computer. During POST, when the DELL logo is displayed, watch for the F2 prompt to appear, and then press F2 immediately. NOTE: The F2 prompt indicates that the keyboard is initialized. This prompt can appear very quickly, so you must watch for it, and then press F2.

  • Page 71: System Setup Options

    The memory information is displayed on the right pane. System Setup Options NOTE: Depending on your computer and its installed devices, the items listed in this section may or may not appear. Table 3. System setup options—Main menu Main System Time Displays the current time in hh:mm:ss format.
  • Page 72 SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery tool. The SupportAssist OS Recovery option will enable or disable the SupportAssist OS Recovery boot flow for SupportAssist OS Recovery tool in the event of certain system errors.
  • Page 73 Security HDD Password Status Displays if the hard drive password is set. Admin Password Enables you to set the admin password. System Password Enables you to set the system password. HDD Password Enables you to set the hard drive password. Password Change Enable or disable changes to the System and Hard Disk passwords when an administrator password is set.

  • Page 74: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. Follow these steps to flash the BIOS: Turn on your computer. Go to www.dell.com/support. Click Product support, enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model.

  • Page 75: System And Setup Password

    System and setup password Table 8. System and setup password Password type Description System password Password that you must enter to log on to your system. Setup password Password that you must enter to access and make changes to the BIOS settings of your computer.

  • Page 76: Deleting Or Changing An Existing System Setup Password

    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.

  • Page 77: 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.

  • Page 78: Post-Requisites

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

  • Page 79: Troubleshooting

    Connect the USB recovery drive to your computer. Restart your computer. Press F12 after the Dell logo is displayed on the screen to access the boot menu. A Preparing one-time boot menu message appears. After the boot menu loads, select the USB recovery device under UEFI BOOT.

  • Page 80: Enhanced Pre-Boot System Assessment (Epsa) Diagnostics

    3.0. Running the ePSA diagnostics Power-on the computer. As the computer boots, press the F12 key as the Dell logo appears. On the boot menu screen, select the Diagnostics option. Click the arrow key at the bottom left corner. Diagnostics front page is displayed.

  • Page 81: Flea Power Release

    Number of LED flashes Problem description 2 amber, 4 amber CMOS battery failure Flea power release Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed.

  • Page 82: 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 10. Self-help resources Information about Dell products and services www.dell.com Dell Help & Support app Tips Contact Support In Windows search, type Contact Support, and press Enter.

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