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Inspiron 20
Owner's Manual
Computer Model: Inspiron 20 Model 3048
Regulatory Model: W09B
Regulatory Type: W09B001

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   Summary of Contents for Dell Inspiron 20

  • Page 1

    Inspiron 20 Owner's Manual Computer Model: Inspiron 20 Model 3048 Regulatory Model: W09B Regulatory Type: W09B001...

  • 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........9 ....................9 Before You Begin ..................... 9 Safety Instructions ..................10 Recommended Tools After Working Inside Your Computer........12 Technical Overview..............13 ................ 13 Inside View of Your Computer ................14 System Board Components Removing the Stand Assembly..........16 ......................16 Procedure Replacing the Stand Assembly..........

  • Page 4: Table Of Contents

    Replacing the Hard Drive............25 ......................25 Procedure ....................25 Post-requisites Removing the Optical Drive............26 .....................26 Prerequisites ......................26 Procedure Replacing the Optical Drive............28 ......................28 Procedure ....................28 Post-requisites Removing the Memory Module(s)..........29 .....................29 Prerequisites ......................30 Procedure Replacing the Memory Module(s)..........32 ......................33 Procedure ....................

  • Page 5: Table Of Contents

    Replacing the Converter Board..........40 ......................40 Procedure ....................40 Post-requisites Removing the System-Board Shield........41 ..................... 41 Prerequisites ......................41 Procedure Replacing the System-Board Shield........42 ......................42 Procedure ....................42 Post-requisites Removing the Antenna............... 43 .....................43 Prerequisites ......................43 Procedure Replacing the Antenna..............45 ......................

  • Page 6: Table Of Contents

    Replacing the Speaker Cover............49 ......................49 Procedure ....................49 Post-requisites Removing the Microphone............50 ....................50 Prerequisites ......................50 Procedure Replacing the Microphone............52 ......................52 Procedure ....................52 Post-requisites Removing the Power-Adapter Port......... 53 .....................53 Prerequisites ......................53 Procedure Replacing the Power-Adapter Port..........55 ......................55 Procedure ....................

  • Page 7: Table Of Contents

    Replacing the Heat Sink.............. 61 ......................61 Procedure ....................61 Post-requisites Removing the Coin-Cell Battery..........62 .....................62 Prerequisites ......................62 Procedure Replacing the Coin-Cell Battery..........64 ......................64 Procedure ....................64 Post-requisites Removing the Speakers.............. 65 .....................65 Prerequisites ....................... 65 Procedure Replacing the Speakers...............67 ......................67 Procedure ....................

  • Page 8: Table Of Contents

    Replacing the System Board............74 ......................74 Procedure ....................74 Post-requisites Removing the Camera..............75 .....................75 Prerequisites ......................75 Procedure Replacing the Camera..............81 ......................81 Procedure ....................82 Post-requisites Flashing the BIOS................. 83 Getting Help and Contacting Dell........... 84 ..................84 Self-Help Resources ....................84 Contacting Dell...

  • Page 9: Before Working Inside Your Computer, Before You Begin, Safety Instructions

    Before Working Inside Your Computer CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. Before You Begin Save and close all open files and exit all open applications. Shut down your computer. –...

  • Page 10: 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 11

    • Philips screwdriver • Flat-head screwdriver • Plastic scribe...

  • Page 12: 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 13: Technical Overview, Inside View Of Your Computer

    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 camera microphone heat sink...

  • Page 14: System Board Components

    System Board Components fan-cable connector (FAN_CPU) 2 processor (CPU1) power-adapter port cable converter-board cable connector (ATX2) connector (CONVERTER) hard-drive and optical-drive optical-drive cable connector power cable connector (SATAP1) (SATA_ODD) hard-drive cable connector control-buttons board cable (SATA_HDD) connector (PWRCN1)

  • Page 15

    touch-control board cable speaker-cable connector connector (optional) (TOUCH) (SPEAKER) memory-module slot (DIMM1) memory-module slot (DIMM2) camera-cable connector display-cable connector (LVDS) (WEBCAM) wireless-card slot (NGFF_WIFI) coin-cell battery (BATTERY)

  • Page 16: Removing The Stand Assembly, Procedure

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Place the computer face down on a soft cloth or a clean surface. Release the tabs on the stand cover.

  • Page 17

    Pivot the stand assembly upward and slide it away from the computer. screws (4) back cover stand assembly 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 18

    Slide the stand base off the stand riser. stand riser screw handle captive thumbscrew stand base...

  • Page 19: Replacing The Stand Assembly, Procedure

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Follow the steps below to replace either the stand base or the stand riser: Slide the stand base into the slot on the stand riser.

  • Page 20: Removing The Back Cover, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 21: Replacing The Back Cover, Procedure, Post-requisites

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the slots on the back cover into the ports on the computer and align the tabs on the back cover with the slots on the display bezel.

  • Page 22: Removing The Hard Drive, Prerequisites, Procedure

    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 23

    Disconnect the hard-drive and optical-drive power and data cable from the hard-drive assembly. hard-drive and optical-drive hard-drive assembly power and data cable display-panel base Pull the sides of the hard-drive bracket to release the pins securing the hard drive.

  • Page 24

    Lift the hard drive off the hard-drive bracket. hard drive hard-drive bracket pins (4)

  • Page 25: Replacing The Hard Drive, Procedure, Post-requisites

    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 Pull the sides of the hard-drive bracket and slide the pins on the hard- drive brackets into the holes on the hard drive.

  • Page 26: Removing The Optical Drive, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 27

    Carefully pry the optical-drive bezel and remove it from the optical-drive assembly. Remove the screws that secure the optical-drive bracket to the optical drive and remove the optical-drive bracket from the optical drive. optical-drive bezel optical drive optical-drive bracket screws (2)

  • Page 28: Replacing The Optical Drive, Procedure, Post-requisites

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

  • Page 29: Removing The Memory Module(s), Prerequisites

    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 Stand Assembly”.

  • Page 30: Procedure

    Procedure Using the pull tab, slide the memory-module shield and remove it from the system-board shield. pull tab memory-module shield system-board shield Using your fingertips, pry apart the securing clips on each end of the memory-module slot until the memory module pops up. securing clips (2) memory-module slot...

  • Page 31

    Remove the memory module from the memory-module slot. memory module memory-module slot...

  • Page 32: Replacing The Memory Module(s)

    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.

  • Page 33

    Procedure NOTE: If you are installing only one memory module, insert the memory module in the memory-module slot marked as DIMM1. Align the notch on the memory module with the tab on the memory- module slot. Insert the memory module into the memory-module slot, and press the memory module down until it clicks into place.

  • Page 34: Post-requisites

    memory module Slide the tabs on the memory-module shield under the tabs on the system-board shield until the memory-module shield is fully secured. Post-requisites Replace the back cover. Follow the procedure from step 3 to step 5 in “Replacing the Stand Assembly”.

  • Page 35: Removing The Control-buttons Board, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 36

    Lift the control-buttons board away from the display bezel. control-buttons board Mylar sheet plastic scribe control-buttons board cable...

  • Page 37: Replacing The Control-buttons Board, Procedure, Post-requisites

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Connect the control-buttons board cable to the control-buttons board. Slide the control-buttons board into the slot on the display bezel and adhere the Mylar sheet to the display bezel.

  • Page 38: Removing The Converter Board, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 39

    Lift the converter board off the display-panel base. converter-board cables (2) converter board screws (2)

  • Page 40: Replacing The Converter Board, Procedure, Post-requisites

    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 converter board with the screw holes on the display-panel base.

  • Page 41: Removing The System-board Shield, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 42: Replacing The System-board Shield, Procedure, Post-requisites

    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 slots on the system-board shield into the ports on the system board.

  • Page 43: Removing The Antenna, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 44

    Lift the antennas along with the cables off the display-panel base. camera cable routing guide wireless card antenna cables (2) antennas (2)

  • Page 45: Replacing The Antenna, Procedure, Post-requisites

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align and adhere the antennas to the display-panel base. Route the antenna cables under the camera cable and connect the cables to the wireless card.

  • Page 46: Removing The Vesa-mount Bracket, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 47: Replacing The Vesa-mount Bracket, Procedure, Post-requisites

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

  • Page 48: Removing The Speaker Cover, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 49: Replacing The Speaker Cover, Procedure, Post-requisites

    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 speaker cover with the screw holes on the display bezel.

  • Page 50: Removing The Microphone, Prerequisites, Procedure

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites NOTE: The instructions are applicable only for touchscreen computer. Follow the procedure from step 1 to step 5 in “Removing the Stand Assembly”.

  • Page 51

    Remove the microphone-module bracket off the microphone module. screws (2) microphone-module bracket microphone cable microphone module...

  • Page 52: Replacing The Microphone, Procedure, Post-requisites

    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 hole on microphone module with the screw hole on the microphone-module bracket.

  • Page 53: Removing The Power-adapter Port, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 54

    Lift the power-adapter port along with the cable off the display-panel base. power-adapter port cable power-adapter port display-panel base screw...

  • Page 55: Replacing The Power-adapter Port, Procedure, Post-requisites

    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-adapter port into the bracket on the display-panel base. Align the screw hole on the power-adapter port with the screw hole on the bracket on the display-panel base.

  • Page 56: Removing The Wireless Card, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 57

    Slide and remove the wireless card from the wireless-card slot on the system board. antenna cables (2) screw wireless card wireless-card slot...

  • Page 58: Replacing The Wireless Card, Procedure, Post-requisites

    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 59: Removing The Heat Sink, Prerequisites, Procedure

    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 60

    Lift the heat sink off the system board. screw heat sink captive screws (7) system board...

  • Page 61: Replacing The Heat Sink, Procedure, Post-requisites

    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 fan are reinstalled together.

  • Page 62: Removing The Coin-cell Battery, Prerequisites, Procedure

    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 63

    Using a plastic scribe, gently pry out the coin-cell battery from the battery socket on the system board. protective cover plastic scribe coin-cell battery...

  • Page 64: Replacing The Coin-cell Battery, Procedure, Post-requisites

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure With the positive side facing up, insert the new coin-cell battery (CR2032) into the battery socket and snap the battery into place.

  • Page 65: Removing The Speakers, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 66

    Lift the speakers along with the cable off the display bezel. speaker cable screws (4) speakers (2) display bezel...

  • Page 67: Replacing The Speakers, Procedure, Post-requisites

    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 68: Removing The Fan, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 69

    Lift the fan along with its cable off the display-panel base. screws (2) fan cable...

  • Page 70: Replacing The Fan, Procedure, Post-requisites

    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 fan with the screw holes on the display- panel base.

  • Page 71: Removing The System Board, Prerequisites

    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 system setup after you replace the system board.

  • Page 72

    Procedure Lift the connector latch and disconnect the display cable from the system board. Disconnect the fan cable, power-adapter port cable, converter-board cable, hard-drive and optical-drive power cable, optical-drive cable, hard-drive cable, control-buttons board cable, touch-control board cable (optional), speaker cable, and camera cable from the system board. For more information, see System Board Components.

  • Page 73

    touch-control board cable 12 speaker cable (optional) Remove the screws that secure the system board to the display-panel base. Lift the system board at an angle and release the ports on the system board from the tab on the display-panel base. screws (5) system board...

  • Page 74: Replacing The System Board, Procedure, Post-requisites

    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 system setup after you replace the system board.

  • Page 75: Removing The Camera, Prerequisites, Procedure

    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 Stand Assembly”.

  • Page 76

    Disconnect the converter-board cable from the display panel. routing guide camera cable system board speaker cable control-buttons board converter-board cable cable Remove the screws that secure the display-panel base to the display bezel.

  • Page 77

    Push and release the tabs that secure the display-panel base to the display bezel. tabs (3) screws (16) display bezel display-panel base Note the touch-control board cable (optional) routing and display cable routing. Disconnect the touch-control board cable (optional) from the system board.

  • Page 78

    10 Release the touch-control board cable (optional) and display cable through the slots on the display-panel base. display cable connector latch touch-control board cable display-panel base (optional)

  • Page 79

    11 Lift the display-panel base off the display panel and keep it on a flat and clean surface. display-panel base 12 Remove the screws that secure the camera assembly to the display bezel.

  • Page 80

    13 Carefully lift the camera assembly and turn it over. display bezel camera assembly screws (2) 14 Disconnect the camera cable from the camera assembly. 15 Remove the screw that secures the camera to the camera bracket. 16 Lift the camera at an angle and remove it from under the tab on the camera bracket.

  • Page 81: Replacing The Camera, Procedure

    After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the camera under the tab on the camera bracket and align the screw hole on the camera with the screw hole on the camera bracket.

  • Page 82

    Post-requisites Replace the VESA-mount bracket. Replace the system-board shield. Follow the procedure from step 4 and step 5 in “Replacing the Optical Drive”. Replace the back cover. Follow the procedure from step 3 to step 5 in “Replacing the Stand Assembly”.

  • Page 83: 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 84: Getting Help And Contacting Dell, Self-help Resources, 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 — Open the Search Accessing Windows Help charm, type Help and Support in the search box and press <Enter>.

  • Page 85

    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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