Dell Inspiron 20 3043 Service Manual
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Dell Inspiron 20 3043 Service Manual

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Inspiron 20
Service Manual
Computer Model: Inspiron 20 Model 3043
Regulatory Model: W13B
Regulatory Type: W13B001

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Summary of Contents for Dell Inspiron 20 3043

  • Page 1 Inspiron 20 Service Manual Computer Model: Inspiron 20 Model 3043 Regulatory Model: W13B Regulatory Type: W13B001...
  • Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2014 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 ™...

  • Page 3: Table Of Contents

    Contents Before Working Inside Your Computer........8 ....................8 Before You Begin ..................... 8 Safety Instructions ..................9 Recommended Tools After Working Inside Your Computer........11 Technical Overview..............12 ................ 12 Inside View of Your Computer ................13 System Board Components ....................13 Back View ....................14 Front View...
  • Page 4 Replacing the Battery............... 26 ......................26 Procedure ................... 27 Post-requisites Removing the Control-Buttons Board........28 ....................28 Prerequisites ......................28 Procedure Replacing the Control-Buttons Board........30 ......................30 Procedure ....................30 Post-requisites Removing the Wireless Card........... 31 ..................... 31 Prerequisites ......................31 Procedure Replacing the Wireless Card............33 ......................33...
  • Page 5 Replacing the Speakers............39 ....................... 39 Procedure ....................39 Post-requisites Removing the System Board...........40 ....................40 Prerequisites ....................... 40 Procedure Replacing the System Board........... 45 ......................45 Procedure ....................46 Post-requisites ..............46 Entering the Service Tag in the BIOS Removing the Coin-Cell Battery..........47 .....................47 Prerequisites ......................47...
  • Page 6 Replacing the Heat Sink............56 ......................56 Procedure ....................56 Post-requisites Removing the Antenna............. 57 .....................57 Prerequisites ......................57 Procedure Replacing the Antenna............. 61 ......................61 Procedure ....................61 Post-requisites Removing the Camera..............62 .....................62 Prerequisites ......................62 Procedure Replacing the Camera.............. 64 ......................
  • Page 7 Replacing the Display Bezel............ 73 ......................73 Procedure ....................73 Post-requisites Flashing the BIOS..............74 Getting Help and Contacting Dell..........75 ..................75 Self-Help Resources ....................75 Contacting Dell...

  • Page 8: Before Working Inside Your Computer

    Before Working Inside Your Computer CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. 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.

  • Page 9: Recommended Tools

    WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/ regulatory_compliance. WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting to the power source.
  • Page 10 • Philips screwdriver • Plastic scribe...

  • Page 11: 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 make sure that no stray screws remain inside your computer. Connect any external devices, peripherals, and cables you removed before working on your computer.

  • Page 12: 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 dell.com/regulatory_compliance. Inside View of Your Computer back cover hard-drive assembly display panel...

  • Page 13: System Board Components

    System Board Components Back View memory-module slot (DDR3L) hard-drive cable connector (HDD) wireless-card slot (WLAN) display-backlight cable connector display-cable connector (LVDS) speaker-cable connector (SPK) power-status light board cable connector (LED)

  • Page 14: Front View

    Front View camera and control-buttons coin-cell battery cable board cable connector connector coin-cell battery...

  • Page 15: Removing The Hard Drive

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at 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 16 Lift and slide the hard-drive assembly out of the slot on the back cover. hard-drive assembly screws (4) pull tab hard-drive cable interposer board Turn the hard-drive assembly over. Peel off the tape that secures the interposer board to the hard-drive assembly.
  • Page 17 Turn the hard-drive assembly over. Pull the interposer board to disconnect it from the hard-drive assembly. Remove the screws that secure the hard-drive bracket to the hard drive. 10 Lift the hard-drive bracket off the hard drive. interposer board screws (4) hard drive hard-drive bracket...

  • Page 18: Replacing The Hard Drive

    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 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 19: Removing The Back Cover

    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 dell.com/regulatory_compliance. Prerequisites Follow the procedure from step 1 to step 5 in “Removing the Hard Drive”.
  • Page 20 Using a plastic scribe, pry the back cover from the display bezel starting from the notch at the bottom of the back cover. CAUTION: To avoid damaging the rubber foot, do not use the plastic scribe under the rubber-foot area. back cover rubber foot (2) plastic scribe...
  • Page 21 Carefully lift the back cover and turn it over. back cover display bezel Disconnect the battery cable from the system board. system board battery cable Carefully turn the back cover over and align the tabs on the back cover with the slots on the display bezel.
  • Page 22 Press and hold the power button for 5 seconds to ground the system board. power button back cover Carefully lift the back cover and turn it over. back cover display bezel...
  • Page 23 Remove the hard-drive cable from the slot on the back cover. back cover hard-drive cable Remove the control-buttons board. 10 Place the back cover in a secure location. back cover...

  • Page 24: Replacing 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 dell.com/regulatory_compliance. Procedure Replace the control-buttons board. Slide the hard-drive cable into the slot on the back cover.

  • Page 25: Removing The Battery

    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 dell.com/regulatory_compliance. Prerequisites Follow the instructions from step 1 to step 5 in “Removing the Back Cover”.

  • Page 26: Replacing The Battery

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure NOTE: If replacing with a new battery, peel off the tape on the battery base before proceeding to replace the battery.

  • Page 27: Post-Requisites

    Post-requisites Follow the instructions from step 4 to step 6 in “Replacing the Back Cover”.

  • Page 28: Removing The Control-Buttons Board

    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 dell.com/regulatory_compliance. Prerequisites Follow the instructions from step 1 to step 7 in “Removing the Back Cover”.
  • Page 29 Lift the control-buttons board off the back cover. screws (3) control-buttons board control-buttons board tape cable...

  • Page 30: Replacing The Control-Buttons Board

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screw holes on the control-buttons board with the screw holes on the back cover.

  • Page 31: Removing The Wireless Card

    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 dell.com/regulatory_compliance. Prerequisites Follow the instructions from step 1 to step 8 in “Removing the Back Cover”.
  • Page 32 Remove the wireless card from the wireless-card slot. wireless-card slot wireless card antenna cables (2) notch screw...

  • Page 33: Replacing The Wireless Card

    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 dell.com/regulatory_compliance. Procedure CAUTION: To avoid damaging the wireless card, do not place any cables under it.

  • Page 34: Removing The Power-Status Light Board

    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 dell.com/regulatory_compliance. Prerequisites Follow the instructions from step 1 to step 7 in “Removing the Back Cover”.
  • Page 35 Lift the power status-light board off the display bezel. power status-light cable screws (2) power status-light board connector latch tape...

  • Page 36: Replacing The Power-Status Light Board

    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 dell.com/regulatory_compliance. Procedure Slide the power status-light board into the alignment post on the display bezel.

  • Page 37: Removing The Speakers

    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 dell.com/regulatory_compliance. Prerequisites Follow the instructions from step 1 to step 7 in “Removing the Back Cover”.
  • Page 38 Lift the tape that secures the speaker cable to the display bezel. Remove the screws that secure the speakers to the display bezel. Lift the speakers along with the cable off the display bezel. speaker cable screws (4) speakers (2) tape...

  • Page 39: Replacing The Speakers

    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 dell.com/regulatory_compliance. Procedure Align the screw holes on the speakers with the screw holes on the display bezel.

  • Page 40: Removing The System Board

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at 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 41 Using the pull tab, disconnect the hard-drive cable and display cable from the system board. For more information, see “System Board Components”. hard-drive cable display-backlight cable display cable speaker cable power-status light cable connector latch Remove the screws that secure the system-board bracket to the display bezel.
  • Page 42 Carefully lift the system-board bracket and turn it over. tape (2) screws (3) system-board bracket Note the display-board cable routing and disconnect the display-board cable on the display board.
  • Page 43 Lift the tape and disconnect the camera and control-buttons board cable from the system board. camera and control- system board buttons board cable system-board bracket display-board cable Remove the screws that secure the system-board to the system-board bracket.
  • Page 44 10 Lift the system board at an angle and release the ports on the system board from the slots on the system-board bracket. coin-cell battery coin-cell battery cable screws (6) system board system-board bracket 11 Turn the system board over and place it on a clean and flat surface. 12 Remove the memory module.

  • Page 45: Replacing The System Board

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at 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 46: Post-Requisites

    Turn on the computer. Enter System Setup: – during POST, when the DELL logo is displayed, watch for the F2 prompt to appear, press F2 key on your keyboard immediately. – press the power and volume-down button simultaneously to enter System Setup.

  • Page 47: Removing The Coin-Cell Battery

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS settings to default. It is recommended that you note the BIOS settings before removing the coin-cell battery.
  • Page 48 Pry the coin-cell battery off the system board. coin-cell battery cable system board coin-cell battery...

  • Page 49: Replacing The Coin-Cell Battery

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Adhere the coin-cell battery to the system board. Connect the coin-cell battery cable to the system board.

  • Page 50: Removing The Memory Module

    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 dell.com/regulatory_compliance. Prerequisites Follow the instructions from step 1 to step 7 in “Removing the Back Cover”.
  • Page 51 Remove the memory module from the memory-module slot on the system board. memory-module slot memory module securing clips (2)

  • Page 52: Replacing The Memory Module

    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 dell.com/regulatory_compliance. Procedure Align the notch on the memory module with the tab on the memory- module slot.

  • Page 53: Post-Requisites

    Post-requisites Follow the instructions from step 3 to step 15 in “Replacing the System Board”. Replace the wireless card. Follow the instructions from step 3 to step 6 in “Replacing the Back Cover”.

  • Page 54: Removing The Heat Sink

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at 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 55 Lift the heat sink off the system board. captive screws (2) heat sink system board...

  • Page 56: Replacing The Heat Sink

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can cause damage to 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 57: Removing The Antenna

    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 dell.com/regulatory_compliance. Prerequisites Follow the instructions from step 1 to step 8 in “Removing the Back Cover”.
  • Page 58 Peel the tape and lift the aluminium foil that secures the antenna cable and camera and control-buttons board cable to the display panel. aluminium foil tape tape control-buttons board tape cable aluminium foil antenna cable camera cable...
  • Page 59 Lift the connector latches and disconnect the flex cables from the display board. flex cables (3) connector latches (3) display board Note the antenna-cables routing and remove the antenna cables from the routing guides on the display bezel. Peel the aluminium foil tapes that secure the antenna modules to the display bezel.
  • Page 60 Lift the antenna modules off the display bezel. aluminium foil antenna modules (2) aluminium foil tapes (2) antenna cables...

  • Page 61: Replacing The Antenna

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Adhere the antenna modules to the display bezel and secure the antenna modules with the Aluminium foil tapes.

  • Page 62: Removing The Camera

    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 dell.com/regulatory_compliance. Prerequisites Follow the instructions from step 1 to step 8 in “Removing the Back Cover”.
  • Page 63 Disconnect the camera cable from the camera module. screws (2) camera module plastic scribe camera cable camera...

  • Page 64: Replacing The Camera

    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 dell.com/regulatory_compliance. Procedure Connect the camera cable to the camera module. Turn the camera module over.

  • Page 65: Removing The Display Assembly

    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 dell.com/regulatory_compliance. Prerequisites Follow the instructions from step 1 to step 8 in “Removing the Back Cover”.
  • Page 66 Peel the tapes and lift the display-backlight cable and display cable off the display panel. connector latches (2) display cable tape display-backlight cable Remove the screws that secure the display panel to the display bezel.
  • Page 67 Lift the display panel off the display bezel. screws (8) display panel display bezel Pry the display panel off the display bezel and place it on a flat and clean surface.
  • Page 68 Remove the screws that secure the display-panel brackets to the display panel. screws (4) display panel display-panel brackets (2)

  • Page 69: Replacing The Display Assembly

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Place the display panel on a flat and clean surface. Align the screw holes on the display-panel brackets with the screw holes on the display panel.
  • Page 70 Follow the instructions from step 2 to step 6 in “Replacing the Back Cover”.

  • Page 71: Removing The Display Bezel

    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 dell.com/regulatory_compliance. Prerequisites Follow the instructions from step 1 to step 8 in “Removing the Back Cover”.
  • Page 72 display bezel...

  • Page 73: Replacing The Display Bezel

    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 dell.com/regulatory_compliance. Procedure Place the display bezel on a flat and clean surface. Post-requisites...

  • 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. To flash the BIOS: Turn on the computer. Go to dell.com/support. If you have your computer's Service Tag, type your computer's Service Tag and click Submit.

  • Page 75: 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 online self-help resources: Self-Help Information Self-Help Options Windows 8.1 — Open the Search Accessing Windows Help charm, type Help and Support in the search box and press Enter.
  • Page 76 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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