Dell Inspiron 20 3000 Series Service Manual
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Dell Inspiron 20 3000 Series Service Manual

Dell Inspiron 20 3000 Series Service Manual

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Inspiron 20
3000 Series
Service Manual
Regulatory Model: W15B
Regulatory Type: W15B002
Table of Contents
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Summary of Contents for Dell Inspiron 20 3000 Series

  • Page 1 Inspiron 20 3000 Series Service Manual Regulatory Model: W15B Regulatory Type: W15B002...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 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 ™...

  • Page 3: Table Of Contents

    Contents 1 Before working inside your computer......... 8 Before you begin ..................8 Safety instructions................... 9 Recommended tools................10 2 After working inside your computer.......... 11 3 Technical overview................12 Inside view of your computer............. 13 System-board components..............14 4 Removing the stand..............16 Procedure....................16 5 Replacing the stand...............18 Procedure....................18...
  • Page 4 Post-requisites..................25 10 Removing the hard drive............26 Prerequisites...................26 Procedure....................26 11 Replacing the hard drive............29 Procedure....................29 Post-requisites..................29 12 Removing the memory module..........31 Prerequisites................... 31 Procedure....................31 13 Replacing the memory module..........33 Procedure....................33 Post-requisites..................34 14 Removing the system-board shield......... 35 Prerequisites...................
  • Page 5 18 Removing the control-buttons board........42 Prerequisites...................42 Procedure....................42 19 Replacing the control-buttons board........44 Procedure....................44 Post-requisites..................44 20 Removing the microphone............45 Prerequisites...................45 Procedure....................45 21 Replacing the microphone............47 Procedure....................47 Post-requisites..................47 22 Removing the camera..............48 Prerequisites...................48 Procedure....................
  • Page 6 Prerequisites................... 55 Procedure....................55 27 Replacing the heat sink.............. 57 Procedure....................57 Post-requisites..................57 28 Removing the speakers.............. 58 Prerequisites...................58 Procedure....................58 29 Replacing the speakers.............. 60 Procedure....................60 Post-requisites..................60 30 Removing the system board............61 Prerequisites................... 61 Procedure....................62 31 Replacing the system board............64 Procedure....................
  • Page 7 35 Replacing the display assembly..........73 Procedure....................73 Post-requisites..................73 36 Removing the rubber feet............75 Prerequisites................... 75 Procedure....................75 37 Replacing the rubber feet............77 Procedure....................77 Post-requisites..................77 38 BIOS setup program..............78 Overview....................78 Entering BIOS setup program.............78 Clearing forgotten passwords............79 Prerequisites..................79 Procedure..................

  • Page 8: 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. Topics: • Before you begin • Safety instructions • Recommended tools Before you begin Save and close all open files and exit all open applications. Shut down your computer.

  • Page 9: Safety Instructions

    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 10: Recommended Tools

    Recommended tools The procedures in this document may require the following tools: • Phillips screwdriver • Plastic scribe Before working inside your computer...

  • 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 ensure that no stray screws remain inside your computer. Connect any external devices, peripherals, or 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 www.dell.com/ regulatory_compliance. Topics: • Inside view of your computer •...

  • Page 13: Inside View Of Your Computer

    Inside view of your computer speakers (2) hard-drive assembly control-buttons board battery assembly display assembly display-assembly base system board heat sink wireless card memory module coin-cell battery Technical overview...

  • Page 14: System-Board Components

    System-board components wireless-card slot (NGFF_WIFI) memory-module slot (DIMM1) camera-cable connector (WEBCAM) 4 CMOS clear jumper (CMCL R2) Password clear jumper (PSWD) speaker-cable connector (SPEAKER) Technical overview...
  • Page 15 coin-cell battery touch-screen board cable connector (TOUCH) control-buttons board cable display-panel power cable connector connector (PWRCN) battery-cable connector display-cable connector hard-drive data cable connector hard-drive power cable connector (SATA_HDD) (SATAP1) Technical overview...

  • Page 16: Removing The Stand

    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 Using a plastic scribe, pry the stand cover off the back cover.
  • Page 17 Close the stand and remove the screws that secure the stand to the back cover. Slide and remove the stand from the back cover. screws (2) stand Removing the stand...

  • Page 18: Replacing The Stand

    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 Insert the tabs on the stand bracket into the slots on the back cover.

  • Page 19: 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. Topics: • Prerequisites •...
  • Page 20 back cover Removing the back cover...

  • Page 21: 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 www.dell.com/ regulatory_compliance. Topics: • Procedure •...

  • Page 22: Removing The 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: • Prerequisites •...
  • Page 23 battery cable screws (4) battery assembly Remove the battery from the battery bracket. Removing the battery...
  • Page 24 battery battery bracket Turn the computer over. Press and hold the power button for 5 seconds, to ground the system board. Removing the battery...

  • Page 25: Replacing The 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 •...

  • Page 26: Removing 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.
  • Page 27 touch-screen board cable screw hard-drive cable hard-drive assembly Remove the screws that secure the hard-drive bracket to the hard drive. Remove the hard drive from the hard-drive bracket. Removing the hard drive...
  • Page 28 screws (3) hard-drive bracket hard drive Removing the hard drive...

  • Page 29: 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.
  • Page 30 Replace the stand. Replacing the hard drive...

  • Page 31: Removing The Memory 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 •...
  • Page 32 securing clips (2) memory module memory-module slot Removing the memory module...

  • Page 33: Replacing The Memory 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 •...

  • Page 34: Post-Requisites

    memory module memory-module slot notch Post-requisites Replace the system-board shield. Replace the battery. Replace the back cover. Replace the stand. Replacing the memory module...

  • Page 35: Removing The System-Board Shield

    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 •...
  • Page 36 screws (4) system-board shield Removing the system-board shield...

  • Page 37: Replacing The System-Board Shield

    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 •...

  • 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. Topics: • Prerequisites •...
  • Page 39 wireless-card bracket screw wireless card antenna cables wireless-card slot Removing the wireless card...

  • Page 40: 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 •...

  • Page 41: Post-Requisites

    wireless-card slot wireless card antenna cables wireless-card bracket screw Post-requisites Replace the system-board shield. Replace the battery. Replace the back cover. Replace the stand. Replacing the wireless card...

  • Page 42: 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. Topics: • Prerequisites •...
  • Page 43 control-buttons board display bezel securing clips (2) control-buttons board cable Removing the control-buttons board...

  • Page 44: Replacing 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. Topics: • Procedure •...

  • Page 45: 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. Topics: • Prerequisites •...
  • Page 46 display-assembly base microphone module microphone cable Removing the microphone...

  • Page 47: Replacing 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. Topics: • Procedure •...

  • Page 48: 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. Topics: • Prerequisites •...
  • Page 49 microphone and camera routing guides cable display-assembly base antenna cable Using your fingertips, push the securing clip and turn the camera over. Disconnect the camera cable from the camera. Release the camera frame from the tab on the display-assembly base and lift it off.
  • Page 50 securing clip camera cable camera frame display-assembly base Peel off the camera from the camera frame. camera frame camera Removing the camera...

  • Page 51: Replacing 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. Topics: • Procedure •...

  • Page 52: 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 53 plastic scribe battery socket coin-cell battery Removing the coin-cell battery...

  • Page 54: 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 •...

  • Page 55: Removing The Heat Sink

    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. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.
  • Page 56 heat sink screws (3) Removing the heat sink...

  • Page 57: Replacing The Heat Sink

    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: Incorrect alignment of the heat sink can damage the system board and processor.

  • Page 58: 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. Topics: • Prerequisites •...
  • Page 59 speaker cable speakers (2) screw routing guides rubber grommets (4) Removing the speakers...

  • Page 60: Replacing 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. Topics: • Procedure •...

  • Page 61: Removing The System Board

    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. 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: Procedure

    Procedure Remove the battery cable from the routing guide on the system board. Disconnect the battery cable, hard-drive power cable, hard-drive data cable, microphone and camera cable, speaker cable, display-panel power cable, and touch-screen board cable from the system board. Open the latches and disconnect the control-buttons board cable and display cable from the system board.
  • Page 63 touch-screen board cable routing guide battery cable 10 display cable Remove the screws that secure the system board to the display-assembly base. Lift the system board off the display-assembly base. screws (4) system board Removing the system board...

  • Page 64: Replacing The System Board

    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. 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

    Post-requisites Replace the wireless card. Replace the memory module. Replace the heat sink. Replace the system-board shield. Replace the battery. Replace the back cover. Replace the stand. Replacing the system board...

  • Page 66: Removing The Display Cable

    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 •...
  • Page 67 tape clips (2) display cable display assembly Removing the display cable...

  • Page 68: Replacing The Display Cable

    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 •...

  • Page 69: 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. Topics: • Prerequisites •...

  • Page 70: Procedure

    Procedure Disconnect the touch-screen board cable and display-panel power cable from their connectors on the display-assembly base. Note the routing of the battery cable, touch-screen board cable, display backlight cable, hard-drive cable, and control-buttons board cable, and then remove them from the routing guides on the display-assembly base. touch-screen board cable display-panel power cable hard-drive cable...
  • Page 71 display-assembly base screws (11) display assembly tabs (8) Lift the display-assembly base off the display assembly. Remove the rubber feet. Removing the display assembly...
  • Page 72 display assembly Removing the display assembly...

  • Page 73: Replacing 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. Topics: • Procedure •...
  • Page 74 Replace the camera. Replace the system-board shield. Replace the microphone. 10 Replace the control-buttons board. Follow the procedure in step 3 to step 7 in “Replacing the hard drive”. 12 Replace the battery. 13 Replace the back cover. 14 Replace the stand. Replacing the display assembly...

  • Page 75: 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. Topics: • Prerequisites •...
  • Page 76 display bezel screws (4) rubber feet (2) Removing the rubber feet...

  • Page 77: Replacing 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. Topics: • Procedure •...

  • Page 78: Bios Setup Program

    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.

  • Page 79: 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. Remove the back cover.

  • Page 80: 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 stand. Remove the back cover.

  • Page 81: Post-Requisites

    jumper plug default jumper-pins CMOS jumper-pins Post-requisites Replace the system-board shield. Replace the battery. Replace the back cover. Replace the stand. BIOS setup program...

  • Page 82: 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 www.dell.com/support. Click or tap Product support, enter the Service Tag of your computer, and click Submit.

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