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Dell Inspiron 20 (3043) - page 1
Inspiron 20 Service Manual Computer Model: Inspiron 20 Model 3043 Regulatory Model: W13B Regulatory Type: W13B001 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - page 3
Contents Before Working Inside Your Computer ..................................... 7 Before You Begin .............................................................................................. 7 Safety Instructions .............................................................................................. 7 Recommended Tools ................ ...
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Dell Inspiron 20 (3043) - page 4
Replacing the Control-Buttons Board .................................... 27 Procedure ......................................................................................................... 27 Post-requisites ................................................................................................. 27 Removing the Wireless Card ........... ...
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Dell Inspiron 20 (3043) - page 5
Replacing the System Board ......................................................42 Procedure ........................................................................................................ 42 Post-requisites ................................................................................................. 43 Entering the Service Tag in the ...
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Dell Inspiron 20 (3043) - page 6
Replacing the Display Assembly ............................................... 58 Procedure ........................................................................................................ 58 Post-requisites ................................................................................................. 58 Removing the Antenna ............ ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - page 9
• Philips screwdriver • Flat-head screwdriver • Plastic scribe 9 ...
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Dell Inspiron 20 (3043) - 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, ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - page 13
1 camera and control-buttons board cable connector 2 coin-cell battery cable connector 3 coin-cell battery 13 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - page 23
7 Lift the back cover off the surface. 1 back cover 23 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - page 41
11 Remove the system board off the surface. 1 system board 41 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - page 57
10 Lift the display panel off the surface. 1 screws (4) 2 display panel 3 display-panel brackets (2) 57 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - page 67
1 display bezel 67 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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Dell Inspiron 20 (3043) - 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 ...
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