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The rules should oblige the seller to give the purchaser an operating instrucion of Dell Inspiron 20 (3043), along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
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Unfortunately, only a few customers devote their time to read an instruction of Dell Inspiron 20 (3043). A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Dell Inspiron 20 (3043) should contain:
- informations concerning technical data of Dell Inspiron 20 (3043)
- name of the manufacturer and a year of construction of the Dell Inspiron 20 (3043) item
- rules of operation, control and maintenance of the Dell Inspiron 20 (3043) item
- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Dell Inspiron 20 (3043) alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Dell Inspiron 20 (3043), and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Dell service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Dell Inspiron 20 (3043).
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Dell Inspiron 20 (3043) item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
Inspiron 20 Service Manual Computer Model: Inspiron 20 Model 3043 Regulatory Model: W13B Regulatory Type: W13B001[...]
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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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Contents Before Working Inside Your Computer ..................................... 7 Before You Begin .............................................................................................. 7 Safety Instructions .............................................................................................. 7 Recommended Tools ................[...]
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Page 4
Replacing the Control-Buttons Board .................................... 27 Procedure ......................................................................................................... 27 Post-requisites ................................................................................................. 27 Removing the Wireless Card ...........[...]
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Replacing the System Board ......................................................42 Procedure ........................................................................................................ 42 Post-requisites ................................................................................................. 43 Entering the Service Tag in the[...]
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Replacing the Display Assembly ............................................... 58 Procedure ........................................................................................................ 58 Post-requisites ................................................................................................. 58 Removing the Antenna ............[...]
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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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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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• Philips screwdriver • Flat-head screwdriver • Plastic scribe 9[...]
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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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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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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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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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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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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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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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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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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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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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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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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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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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7 Lift the back cover off the surface. 1 back cover 23[...]
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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11 Remove the system board off the surface. 1 system board 41[...]
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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10 Lift the display panel off the surface. 1 screws (4) 2 display panel 3 display-panel brackets (2) 57[...]
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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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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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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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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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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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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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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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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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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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1 display bezel 67[...]
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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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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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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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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[...]