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Dell W12C Service Manual
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Dell W12C Service Manual

Dell W12C Service Manual

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Inspiron 24
3000
Service Manual
Computer Model: Inspiron 24–3464
Regulatory Model: W12C
Regulatory Type: W12C006

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Summary of Contents for Dell W12C

  • Page 1 Inspiron 24 3000 Service Manual Computer Model: Inspiron 24–3464 Regulatory Model: W12C Regulatory Type: W12C006...
  • Page 2 © 2016 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.

  • Page 3: Table Of Contents

    Contents Before working inside your computer........9 ....................9 Before you begin ....................10 Safety instructions ..................11 Recommended tools ......................11 Screw list After working inside your computer........13 Technical overview..............14 ................14 Inside view of your computer ................15 System-board components Removing the stand assembly..........17 ..............17 Procedure to remove easel stand ..............18...
  • Page 4 Removing the optical drive............. 26 .....................26 Prerequisites ......................26 Procedure Replacing the optical drive............29 ......................29 Procedure ....................29 Post-requisites Removing the hard drive............30 ....................30 Prerequisites ......................30 Procedure Replacing the hard drive............33 ......................33 Procedure ....................33 Post-requisites Removing the memory modules..........
  • Page 5 Removing the heat sink............42 .....................42 Prerequisites ......................42 Procedure Replacing the heat sink............44 ......................44 Procedure ....................44 Post-requisites Removing the fan..............45 .....................45 Prerequisites ......................45 Procedure Replacing the fan...............47 ......................47 Procedure ....................47 Post-requisites Removing the coin-cell battery..........48 ....................48 Prerequisites ......................
  • Page 6 Removing the camera.............. 54 .....................54 Prerequisites ......................54 Procedure Replacing the camera...............56 ......................56 Procedure ....................56 Post-requisites Removing the system board............57 .....................57 Prerequisites ......................57 Procedure Replacing the system board............60 ......................60 Procedure ....................60 Post-requisites Removing the VESA-mount bracket........61 .....................
  • Page 7 Removing the speakers............67 .....................67 Prerequisites ......................67 Procedure Replacing the speakers............69 ......................69 Procedure ....................69 Post-requisites Removing the control-buttons board........70 .....................70 Prerequisites ......................70 Procedure Replacing the control-buttons board........72 ......................72 Procedure ....................72 Post-requisites Removing the display assembly..........73 .....................73 Prerequisites ......................74...
  • Page 8 Clearing Forgotten Passwords..........83 .....................83 Prerequisites ......................83 Procedure ....................84 Post-requisites Clearing CMOS Settings............85 .....................85 Prerequisites ......................85 Procedure ....................86 Post-requisites Flashing the BIOS..............87 System diagnostic lights............88 Getting help and contacting Dell...........89 ..................89 Self-help resources ....................90 Contacting Dell...

  • Page 9: Before Working Inside Your Computer

    Before working inside your computer NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before you begin Save and close all open files and exit all open applications. Shut down your computer. The shut-down instruction varies depending on the operating system installed on your computer.

  • Page 10: Safety Instructions

    CAUTION: 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 11: Recommended Tools

    Recommended tools The procedures in this document may require the following tools: • Phillips screwdriver • Plastic scribe Screw list The following table provides the list of screws that are used for securing different components to the palm rest and keyboard assembly. Component Secured to Screw type...
  • Page 12 Component Secured to Screw type Quantity Screw image VESA-mount Display- M3x5 bracket assembly base Speaker cover Display- M3x5 assembly base Speaker-cable VESA-mount M3x5 routing bracket Rubber feet Display bezel M3x5 Display- Display bezel M3x5 assembly base...

  • Page 13: 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.

  • Page 14: 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. Inside view of your computer control-buttons board hard-drive assembly optical-drive assembly...

  • Page 15: System-Board Components

    System-board components wireless-card slot (NGFF_WI-FI) 2 memory-module slot (DIMM1) camera-cable connector memory-module slot (DIMM2) (WEBCAM) Service mode jumper Password clear jumper (PASSWORD) speaker-cable connector CMOS clear jumper (SPEAKER) (RTC_CMOS) coin-cell battery touch-screen board cable connector (TOUCH) control-buttons board cable display-panel power cable connector (PWRCN1) connector (CONVERTER)
  • Page 16 display-cable connector (LVDS) hard-drive data cable connector (SATA_HDD) optical-drive cable connector hard-drive and optical-drive (SATA_ODD) power cable connector (SATAP1) fan-cable connector (FAN_CPU)

  • Page 17: Removing The Stand Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure to remove easel stand NOTE: The type of stand assembly varies depending on the configuration you ordered.

  • Page 18: Procedure To Remove Pedestal Stand

    Lift the stand off the back cover. stand stand bracket screws (2) back cover Procedure to remove pedestal stand NOTE: The type of stand assembly varies depending on the configuration you ordered. Place the computer face down on a soft cloth or a clean surface. Release the tabs on the stand cover.
  • Page 19 Slide and remove the stand cover away from the computer. stand cover back cover Remove the screws that secure the stand to the display-panel base. Lift the stand upward at an angle and slide it away from the computer. back cover screws (4) stand...

  • Page 20: Procedure To Remove Stand Riser From Stand Base

    Procedure to remove stand riser from stand base NOTE: If you need to remove either the stand base or stand riser from the stand assembly, follow the steps below. Lift the screw handle on the stand base. Using the screw handle, loosen the captive thumbscrew that secures the stand base to the stand riser.
  • Page 21 Slide the stand base off the stand riser. stand riser stand base...

  • Page 22: Replacing The Stand Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure to replace easel stand NOTE: The type of stand assembly varies depending on the configuration you ordered.

  • Page 23: Removing The Back Cover

    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 stand assembly. Procedure CAUTION: Do not remove the computer cover unless you need to install internal accessories for your computer.
  • Page 24 Lift the back cover off the computer. display bezel back cover plastic scribe...

  • Page 25: Replacing The Back 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 back cover with the slots on the display bezel and snap the back cover into place.

  • Page 26: 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 Remove the stand assembly. Remove the back cover.
  • Page 27 Slide the optical-drive assembly out of the optical-drive bay. optical-drive assembly screw power and data cable Carefully pull the optical-drive bezel and remove it from the optical drive. Remove the screw that secures the optical-drive bracket to the optical drive.
  • Page 28 Remove the optical-drive bracket from the optical drive. screw optical-drive bracket optical drive optical-drive bezel...

  • Page 29: Replacing The Optical Drive

    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 screw hole on the optical-drive bracket with the screw hole on the optical drive.

  • Page 30: Removing The Hard Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.
  • Page 31 Using your fingertips, slide the hard-drive assembly out of the hard-drive bay. power and data cable hard-drive assembly screw display-assembly base Remove the screws that secure the hard-drive bracket to the hard drive.
  • Page 32 Remove the hard drive from the hard-drive bracket. screws (3) hard drive hard-drive bracket...

  • Page 33: Replacing The Hard 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: Hard drives are fragile. Exercise care when handling the hard drive. Procedure Align the screw holes on the hard-drive bracket with the screw holes on the hard drive.

  • Page 34: 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 Remove the stand assembly. Remove the back cover.
  • Page 35 Remove the memory module from the memory-module slot. memory module securing clips (2) memory-module slot system board...

  • Page 36: Replacing The Memory Modules

    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 notch on the memory module with the tab on the memory- module slot.

  • Page 37: Post-Requisites

    Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. memory module notch memory-module slot Post-requisites Replace the...

  • Page 38: 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 Remove the stand assembly. Remove the back cover.
  • Page 39 Slide the wireless card out of the wireless-card slot. wireless-card bracket antenna cables screw wireless-card slot wireless card system board...

  • Page 40: Replacing The Wireless Card

    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 notch on the wireless card with the tab on the wireless-card slot.

  • Page 41: Post-Requisites

    Replace the screw that secures the wireless-card bracket and the wireless card to the system board. antenna cables wireless-card bracket screw wireless card wireless-card slot notch Post-requisites Replace the back cover. Replace the stand assembly.

  • Page 42: Removing The Heat Sink

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
  • Page 43 Lift the heat sink off the system board. system board captive screws (5) heat sink screw display-assembly base...

  • Page 44: Replacing The Heat Sink

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor. NOTE: The original thermal grease can be reused if the original system board and heat sink are reinstalled together.

  • Page 45: Removing The Fan

    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 stand assembly. Remove the back cover.
  • Page 46 Lift the fan at an angle off the display-assembly base. fan cable system board screws (2) display-assembly base...

  • Page 47: Replacing The Fan

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Replace the fan at an angle on the display-assembly base. Align the screw holes on the fan with the screw holes on the display- assembly base.

  • Page 48: 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 49: Procedure

    Procedure Using a plastic scribe, gently pry out the coin-cell battery out of the battery socket on the system board. battery socket coin-cell battery system board plastic scribe...

  • Page 50: Replacing 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. Procedure With the positive-side facing up, insert the coin-cell battery into the battery socket and press down the battery into place.

  • Page 51: Removing The Microphone

    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 stand assembly. Remove the back cover.
  • Page 52 Disconnect the microphone and camera cable from the microphone board. microphone and camera routing guides cable display bezel display-assembly base microphone board...

  • Page 53: Replacing The Microphone

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Connect the microphone and camera cable to the microphone-board. Slide the microphone board into the slot on the display bezel.

  • Page 54: Removing The Camera

    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 stand assembly. Remove the back cover.
  • Page 55 Disconnect the microphone and camera cable from the camera module. securing clip camera module microphone and camera cable...

  • Page 56: Replacing The Camera

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Connect the microphone and camera cable to the camera module. Push the tabs on the camera module into the tab on the camera-module slot.

  • Page 57: 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 58 Press the latch and disconnect the display-backlight cable from its connector on the system board. speaker cable touch-control board cable control-buttons board display-backlight cable cable display cable display-assembly base hard-drive data cable optical-drive data cable hard-drive and optical-drive 10 fan cable power cable microphone and camera cable...
  • Page 59 Carefully lift the system board from the inner edge and release the ports from the slots on the display-assembly base. Lift the system board off the display-assembly base. system board slots screws (4) display-assembly base...

  • Page 60: 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 61: Removing The Vesa-Mount Bracket

    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 stand assembly. Remove the back cover.
  • Page 62 Lift the VESA-mount bracket off the display-assembly base. display-assembly base screws (4) VESA-mount bracket speaker cable routing guides...

  • Page 63: Replacing The Vesa-Mount Bracket

    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 screw holes on the VESA-mount bracket with the screw holes on the display-assembly base.

  • Page 64: Removing The Speaker Cover

    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 stand assembly. Remove the back cover.
  • Page 65 Lift the speaker cover off the display bezel. screws (4) speaker cover display-assembly base...

  • Page 66: Replacing The Speaker 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 screw holes on the speaker cover with the screw holes on the display-assembly base and snap the speaker cover into place.

  • Page 67: Removing The Speakers

    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 stand assembly. Remove the back cover.
  • Page 68 Lift the speakers, along with the speaker cable, off the display bezel. screw tape speaker-cable routing VESA-mount bracket speaker cable rubber grommets (4) speakers (2)

  • Page 69: Replacing The Speakers

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Using the alignment posts and rubber grommets on the display bezel, place the speakers on the display bezel.

  • Page 70: Removing The Control-Buttons Board

    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 stand assembly. Remove the back cover.
  • Page 71 Lift the latch and disconnect the control-buttons board cable from the control-buttons board. latch system board control-buttons board latch cable control-buttons board securing clips (2)

  • Page 72: Replacing The Control-Buttons Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Slide the control-buttons board cable into the connector on the control- buttons board and press down on the latch to secure the cable.

  • Page 73: Removing The Display 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 Remove the stand assembly. Remove the back cover.

  • Page 74: Procedure

    Procedure Note the optical drive and hard drive cables' routing and remove the cables from its routing guides on the display-assembly base. routing guides hard-drive cable optical-drive cable display-assembly base...
  • Page 75 Remove the screws that secure the display-assembly base to the display bezel. screws (15) display-assembly base Release the display-panel base from the tabs on the display bezel. Slide the display cable through the slot on the display-assembly base.
  • Page 76 Lift the display-assembly base off the display panel. tabs (6) display-assembly base display cable slot...
  • Page 77 display assembly...

  • Page 78: Replacing The Display Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. Procedure Slide the display cable through the slot on the display-assembly base. Slide the tabs on the display bezel into the slots on the display-assembly base.
  • Page 79 15 Replace the back cover. 16 Replace the stand assembly.

  • Page 80: Removing The Rubber Feet

    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 stand assembly. Remove the back cover.
  • Page 81 Lift the rubber feet off the display bezel. rubber feet (2) screws (2) display bezel...

  • Page 82: Replacing The Rubber Feet

    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 screw holes on the rubber feet with the screw holes on the display bezel.

  • Page 83: Clearing Forgotten Passwords

    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 stand assembly. Remove the back cover.

  • Page 84: Post-Requisites

    Wait for 5 seconds and then replace the jumper plug in its original location. jumper plug password jumper-pins system board Post-requisites Replace the back cover. Replace the stand assembly.

  • Page 85: Clearing Cmos Settings

    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 stand assembly. Remove the back cover.

  • Page 86: Post-Requisites

    Wait for 5 seconds and then replace the jumper plug to its original location. jumper plug CMOS jumper-pins Password jumper-pins Post-requisites Replace the back cover. Replace the stand assembly.

  • Page 87: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. 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.

  • Page 88: System Diagnostic Lights

    System diagnostic lights The computer POST (Power On Self Test) ensures that it meets the basic computer requirements and the hardware is working appropriately before the boot process begins. If the computer passes the POST, the computer continues to start in a normal mode. However, if the computer fails the POST, the computer emits a series of LED codes in amber color during the start-up.

  • Page 89: 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: Information about Dell products and www.dell.com services Windows 8.1 and Windows 10 Dell Help & Support app Windows 10 Get started app Windows 8.1...

  • Page 90: Contacting Dell

    Contacting Dell To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell. NOTE: Availability varies by country and product, and some services may not be available in your country. NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.

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Inspiron 24-3464Inspiron 24 3000

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