Dell Inspiron 20 (3043) manual

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Table of contents for the manual

  • Page 1

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

  • Page 2

    Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 201[...]

  • Page 3

    Contents Before Working Inside Your Computer ..................................... 7 Before You Begin .............................................................................................. 7 Safety Instructions .............................................................................................. 7 Recommended Tools ................[...]

  • Page 4

    Replacing the Control-Buttons Board .................................... 27 Procedure ......................................................................................................... 27 Post-requisites ................................................................................................. 27 Removing the Wireless Card ...........[...]

  • Page 5

    Replacing the System Board ......................................................42 Procedure ........................................................................................................ 42 Post-requisites ................................................................................................. 43 Entering the Service Tag in the[...]

  • Page 6

    Replacing the Display Assembly ............................................... 58 Procedure ........................................................................................................ 58 Post-requisites ................................................................................................. 58 Removing the Antenna ............[...]

  • Page 7

    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 1 Save and close all open files and exit all open applications. 2 Shut [...]

  • Page 8

    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, replac[...]

  • Page 9

    • Philips screwdriver • Flat-head screwdriver • Plastic scribe 9[...]

  • Page 10

    After Working Inside Your Computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1 Replace all screws and make sure that no stray screws remain inside your computer. 2 Connect any external devices, peripherals, and cables you removed before working on your computer. 3 Replace any media cards, discs, [...]

  • Page 11

    Technical Overview WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 h[...]

  • Page 12

    System Board Components 1 memory-module slot (DDR3L) 2 hard-drive cable connector (HDD) 3 wireless-card slot (WLAN) 4 display-backlight cable connector 5 display-cable connector (LVDS) 6 speaker-cable connector (SPK) 7 power-status light board cable connector (LED) 12[...]

  • Page 13

    1 camera and control-buttons board cable connector 2 coin-cell battery cable connector 3 coin-cell battery 13[...]

  • Page 14

    Removing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Complia[...]

  • Page 15

    5 Lift and slide the hard-drive assembly out of the slot on the back cover. 1 hard-drive assembly 2 screws (4) 3 pull tab 4 hard-drive cable 5 interposer board 6 Turn the hard-drive assembly over. 15[...]

  • Page 16

    7 Peel off the tape that secures the interposer board to the hard-drive assembly. 1 hard-drive assembly 2 interposer board 3 tape 8 Turn the hard-drive assembly over. 9 Pull the interposer board to disconnect it from the hard-drive assembly. 10 Remove the screws that secure the hard-drive bracket to the hard drive. 16[...]

  • Page 17

    11 Lift the hard-drive bracket off the hard drive. 1 interposer board 2 screws (4) 3 hard drive 4 hard-drive bracket 17[...]

  • Page 18

    Replacing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Compli[...]

  • Page 19

    Removing the Back Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Complia[...]

  • Page 20

    Procedure 1 Slide the tabs on the hard-drive door into the slots on the back cover and snap the hard-drive door into place. 2 Remove the screws that secure the back cover to the display bezel. 1 screws (4) 2 back cover 3 notch 20[...]

  • Page 21

    3 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. 1 back cover 2 rubber foot (2) 3 plastic scribe 4 display bezel 21[...]

  • Page 22

    4 Carefully lift the back cover and turn it over. 1 back cover 2 display bezel 5 Follow the instructions from step 1 to step 4 in “Removing the Control- Buttons Board ”. 6 Remove the hard-drive cable from the slot on the back cover. 1 back cover 2 hard-drive cable 3 display bezel 22[...]

  • Page 23

    7 Lift the back cover off the surface. 1 back cover 23[...]

  • Page 24

    Replacing the Back Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Compli[...]

  • Page 25

    Removing the Control- Buttons Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Regula[...]

  • Page 26

    4 Lift the control-buttons board off the back cover. 1 screws (3) 2 control-buttons board 3 control-buttons board cable 4 tape 26[...]

  • Page 27

    Replacing the Control-Buttons Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Regula[...]

  • Page 28

    Removing the Wireless Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Comp[...]

  • Page 29

    3 Slide and remove the wireless card from the wireless-card slot. 1 antenna cables (2) 2 tab 3 wireless card 4 screw 5 notch 6 wireless-card slot 29[...]

  • Page 30

    Replacing the Wireless Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Com[...]

  • Page 31

    Removing the Power-Status Light Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Regu[...]

  • Page 32

    3 Lift the power status-light board off the display bezel. 1 power status-light cable 2 screws (2) 3 power status-light board 4 connector latch 32[...]

  • Page 33

    Replacing the Power-Status Light Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Reg[...]

  • Page 34

    Removing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Complianc[...]

  • Page 35

    6 Lift the speakers along with the cable off the display bezel. 1 speaker cable 2 screws (5) 3 tape 4 speakers (2) 5 power-status light cable 6 connector latch 35[...]

  • Page 36

    Replacing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Complian[...]

  • Page 37

    Removing the System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Compl[...]

  • Page 38

    Procedure 1 Lift the connector latch and disconnect the power-status light cable from the system board. 2 Disconnect the hard-drive cable, speaker cable, display cable, and display-backlight cable from the system board. For more information, see “ System Board Components ”. 1 hard-drive cable 2 display cable 3 speaker cable 4 power-status light[...]

  • Page 39

    4 Carefully lift the system-board bracket and turn it over. 1 screws (3) 2 system-board bracket 5 Disconnect the camera and control-buttons board cable from the system board. 1 camera and control- buttons board cable 2 system board 3 system-board bracket 39[...]

  • Page 40

    6 Remove the screws that secure the system-board to the system-board bracket. 7 Lift the system board at an angle and release the ports on the system board from the slots on the system-board bracket. 8 Turn the system board over and place it on a clean and flat surface. 1 coin-cell battery 2 coin-cell battery cable 3 screws (6) 4 system board 5 sys[...]

  • Page 41

    11 Remove the system board off the surface. 1 system board 41[...]

  • Page 42

    Replacing the System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Comp[...]

  • Page 43

    Post-requisites 1 Replace the wireless card . 2 Follow the instructions from step 3 to step 5 in “Replacing the Back Cover ”. Entering the Service Tag in the BIOS 1 Turn on the computer. 2 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[...]

  • Page 44

    Removing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 [...]

  • Page 45

    Procedure 1 Disconnect the coin-cell battery cable from the system board. 2 Pry the coin-cell battery off the system board. 1 coin-cell battery cable 2 system board 3 coin-cell battery 45[...]

  • Page 46

    Replacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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[...]

  • Page 47

    Removing the Memory Module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Comp[...]

  • Page 48

    Procedure 1 Use your fingertips to spread apart the securing clips on each end of the memory-module slot until the memory module pops up. 2 Remove the memory module from the memory-module slot on the system board. 1 memory-module slot 2 securing clips (2) 3 memory module 48[...]

  • Page 49

    Replacing the Memory Module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Com[...]

  • Page 50

    Procedure 1 Align the notch on the memory module with the tab on the memory- module slot. 2 Insert the memory module into the memory-module slot, 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. 1 tab 2 notch 3 memory module 4 securing clips (2) 5 memory-modu[...]

  • Page 51

    Removing the Heat Sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Complian[...]

  • Page 52

    Procedure 1 Loosen the captive screws that secure the heat sink to the system board. 2 Lift the heat sink off the system board. 1 captive screws (2) 2 heat sink 3 system board 52[...]

  • Page 53

    Replacing the Heat Sink WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Complia[...]

  • Page 54

    Removing the Display Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 C[...]

  • Page 55

    5 Peel off the tapes that secure the display cable to the display panel. 1 Aluminium foil tapes (2) 2 camera and control- buttons board cable 3 display-backlight cable 4 tapes (2) 5 display panel 6 display bezel 7 display cable 8 connector latches (2) 6 Peel off the Aluminium foil tapes that secure the antenna modules to the display panel. 55[...]

  • Page 56

    7 Remove the screws that secure the display panel to the display bezel. 1 Aluminium foil tapes (2) 2 screws (8) 3 display panel 4 display bezel 8 Pry the display panel off the display bezel and place it on a flat and clean surface. 9 Remove the screws that secure the display-panel brackets to the display panel. 56[...]

  • Page 57

    10 Lift the display panel off the surface. 1 screws (4) 2 display panel 3 display-panel brackets (2) 57[...]

  • Page 58

    Replacing the Display Assembly WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 [...]

  • Page 59

    Removing the Antenna WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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[...]

  • Page 60

    3 Remove the antenna cables from routing guides on the display bezel. 1 Aluminium foil tapes (2) 2 camera and control- buttons board cable 3 wireless card 4 antenna cables (2) 4 Note the location of the antenna modules and peel off the Aluminium foil tapes that secure the antenna modules to the display panel. 5 Pry off the antenna modules from the [...]

  • Page 61

    6 Lift the antenna modules along with the antenna cables off the display bezel. 1 antenna modules (2) 2 Aluminium foil tapes (2) 3 display bezel 61[...]

  • Page 62

    Replacing the Antenna WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Complianc[...]

  • Page 63

    Removing the Camera WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 [...]

  • Page 64

    4 Disconnect the camera cable from the camera module. 1 Aluminium foil tape 2 screws (2) 3 camera cable 4 camera module 64[...]

  • Page 65

    Replacing the Camera WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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[...]

  • Page 66

    Removing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Comp[...]

  • Page 67

    1 display bezel 67[...]

  • Page 68

    Replacing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in 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 Com[...]

  • Page 69

    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: 1 Turn on the computer. 2 Go to dell.com/support . 3 If you have your computer's Service Tag, type your computer's Service Tag and click Submit . If you do not have your computer's Service Tag[...]

  • Page 70

    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 Accessing Windows Help Windows 8.1 — Open the Search charm, type Help and Support in the search box and press Enter . Windows 7 — Click Start → Help[...]

  • Page 71

    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. 71[...]