Dell Inspiron 20 Service Manual Download Page 4

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Replacing the Control-Buttons Board

.................................... 27

Procedure

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Post-requisites

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Removing the Wireless Card

..................................................... 28

Prerequisites

.................................................................................................... 28

Procedure

........................................................................................................ 28

Replacing the Wireless Card

..................................................... 30

Procedure

........................................................................................................ 30

Post-requisites

.................................................................................................30

Removing the Power-Status Light Board

...............................31

Prerequisites

..................................................................................................... 31

Procedure

.........................................................................................................31

Replacing the Power-Status Light Board

...............................33

Procedure

.........................................................................................................33

Post-requisites

................................................................................................ 33

Removing the Speakers

.............................................................. 34

Prerequisites

.....................................................................................................34

Procedure

....................................................................................................... 34

Replacing the Speakers

...............................................................36

Procedure

....................................................................................................... 36

Post-requisites

.................................................................................................36

Removing the System Board

......................................................37

Prerequisites

.....................................................................................................37

Procedure

....................................................................................................... 38

Summary of Contents for Inspiron 20

Page 1: ...Inspiron 20 Service Manual Computer Model Inspiron 20 Model 3043 Regulatory Model W13B Regulatory Type W13B001 ...

Page 2: ...problem 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 of Dell Inc in the United States and or other jurisdictions All other marks and names mentioned herein may be trademarks of their res...

Page 3: ... Technical Overview 11 Inside View of Your Computer 11 System Board Components 12 Removing the Hard Drive 14 Procedure 14 Replacing the Hard Drive 18 Procedure 18 Removing the Back Cover 19 Prerequisites 19 Procedure 20 Replacing the Back Cover 24 Procedure 24 Post requisites 24 Removing the Control Buttons Board 25 Prerequisites 25 Procedure 25 ...

Page 4: ...Card 30 Procedure 30 Post requisites 30 Removing the Power Status Light Board 31 Prerequisites 31 Procedure 31 Replacing the Power Status Light Board 33 Procedure 33 Post requisites 33 Removing the Speakers 34 Prerequisites 34 Procedure 34 Replacing the Speakers 36 Procedure 36 Post requisites 36 Removing the System Board 37 Prerequisites 37 Procedure 38 ...

Page 5: ...Replacing the Coin Cell Battery 46 Procedure 46 Post requisites 46 Removing the Memory Module 47 Prerequisites 47 Procedure 48 Replacing the Memory Module 49 Procedure 50 Post requisites 50 Removing the Heat Sink 51 Prerequisites 51 Procedure 52 Replacing the Heat Sink 53 Procedure 53 Post requisites 53 Removing the Display Assembly 54 Prerequisites 54 Procedure 54 ...

Page 6: ...e 62 Post requisites 62 Removing the Camera 63 Prerequisites 63 Procedure 63 Replacing the Camera 65 Procedure 65 Post requisites 65 Removing the Display Bezel 66 Prerequisites 66 Procedure 66 Replacing the Display Bezel 68 Procedure 68 Post requisites 68 Flashing the BIOS 69 Getting Help and Contacting Dell 70 Self Help Resources 70 Contacting Dell 70 ...

Page 7: ...ferent operating system see the documentation of your operating system for shut down instructions 3 Disconnect your computer and all attached devices from their electrical outlets 4 Disconnect all cables such as telephone cables network cables and so on from your computer 5 Disconnect all attached devices and peripherals such as keyboard mouse monitor and so on from your computer 6 Remove any medi...

Page 8: ... inside your computer and protecting against electrostatic discharge CAUTION Before touching anything inside your computer ground yourself by touching an unpainted metal surface such as the metal at the back of the computer While you work periodically touch an unpainted metal surface to dissipate static electricity which could harm internal components CAUTION When you disconnect a cable pull on it...

Page 9: ... Philips screwdriver Flat head screwdriver Plastic scribe 9 ...

Page 10: ... 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 and any other part s that you removed before working on your computer 4 Connect your computer and all attached devices to their electrical outlets 5 Turn on your computer 10 ...

Page 11: ...ng 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 1 back cover 2 hard drive assembly 3 display panel 4 speakers 2 5 power status light board 6 system board bracket 7 wireless card 8 antenna modules 2 9 control buttons board 11 ...

Page 12: ...emory 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: ...nce 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 Procedure 1 Place the computer face down on a flat and clean surface 2 Using your fingertips pry the hard drive door off the back cover 1 hard drive door 2 back cover 3 Using the...

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: ...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: ... holes on the hard drive 2 Replace the screws that secure the hard drive bracket to the hard drive 3 Connect the interposer board to the hard drive assembly 4 Turn the hard drive assembly over 5 Adhere the tape to the interposer board and hard drive assembly 6 Turn the hard drive assembly over 7 Slide the hard drive assembly into the slot on the back cover 8 Align the screw holes on the hard drive...

Page 19: ...w 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 home page at dell com regulatory_compliance Prerequisites Follow the procedure from step 1 to step 5 in Removing the Hard Drive 19 ...

Page 20: ...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: ...r 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: ...urn 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: ...t dell com regulatory_compliance Procedure 1 Slide the hard drive cable into the slot on the back cover 2 Follow the instructions from step 1 to step 3 in Replacing the Control Buttons Board 3 Carefully turn the back cover over and align the tabs on the back cover with the slots on the display bezel 4 Snap the back cover into place 5 Replace the screws that secure the back cover to the display bez...

Page 25: ...king Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites Follow the instructions from step 2 to step 4 in Removing the Back Cover Procedure 1 Remove the screws that secure the control buttons board to the back cover 2 Peel the tape that secures the control buttons board cable to the control buttons board 3 Disc...

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: ...ur Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Align the screw holes on the control buttons board with the screw holes on the back cover 2 Replace the screws that secure the control buttons board to the back cover 3 Connect the control buttons board cable to the control buttons board and secure it with the tape Post ...

Page 28: ...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 instructions from step 2 to step 4 in Removing the Back Cover Procedure 1 Disconnect the antenna cables from the wireless card 2 Remove the screw that secures the wireless card to the system boa...

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: ...lace any cables under it 1 Align the notch on the wireless card with the tab on the wireless card slot 2 Slide the wireless card at an angle into the wireless card slot 3 Press the other end of the wireless card down and replace the screw that secures the wireless card to the system board bracket 4 Connect the antenna cables to the wireless card The following table provides the antenna cable color...

Page 31: ...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 instructions from step 2 to step 4 in Removing the Back Cover Procedure 1 Lift the connector latch and disconnect the power status light cable from the power status light board 2 Remove the screws that secure the po...

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: ...liance home page at dell com regulatory_compliance Procedure 1 Slide the power status light board into the alignment post on the display bezel 2 Align the screw holes on the power status light board with the screw holes on the display bezel 3 Replace the screws that secure the power status light board to the display bezel 4 Slide the power status light cable into the power status light board conne...

Page 34: ...liance home page at dell com regulatory_compliance Prerequisites Follow the instructions from step 2 to step 4 in Removing the Back Cover Procedure 1 Lift the connector latch and disconnect the power status light cable from the power status light board 2 Peel off the power status light cable from the speaker 3 Note the speaker cable routing and peel off the tape that secures the speaker cable to t...

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: ..._compliance Procedure 1 Align the screw holes on the speakers with the screw holes on the display bezel 2 Replace the screws that secure the speakers to the display bezel 3 Route the speaker cable on the display bezel and secure it with the tape 4 Connect the speaker cable to the system board 5 Slide the power status light cable into the power status light board connector and press down on the con...

Page 37: ...r 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 NOTE Replacing the system board removes any changes you have made to the BIOS using System Setup You must make the desired changes again after you replace the system board NOTE Before disconnecting the cables from the system board note the location of the con...

Page 38: ...able 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 cable 5 connector latch 6 display backlight cable 3 Remove the screws that secure the system board bracket to the display bezel 38 ...

Page 39: ...em 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: ...m 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 system board bracket 9 Follow the instructions from step 1 to step 2 in Removing the Memory Module 10 Follow the instructions from step 1 to step 2 in Removing the Heat Sink 40 ...

Page 41: ...11 Remove the system board off the surface 1 system board 41 ...

Page 42: ...e instructions from step 1 to step 2 in Replacing the Memory Module 4 Turn the system board over 5 Slide the ports on the system board into the slots on the system board bracket 6 Align the screw holes on the system board with the screw holes on the system board bracket 7 Replace the screws that secure the system board to the system board bracket 8 Connect the camera and control buttons board cabl...

Page 43: ... 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 the power and volume down button simultaneously to enter System Setup press the power and volume up button to launch the One Time Boot Menu and select Enter Setup 3 Navigate to the Main tab and enter the Service Tag in the Service Tag Input field 43 ...

Page 44: ... 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 Prerequisites 1 Follow the instructions from step 2 to step 4 in Removing the Back Cover 2 Remove the wireless card 3...

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: ...After Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Adhere the coin cell battery to the system board 2 Connect the coin cell battery cable to the system board Post requisites 1 Follow the instructions from step 9 to step 13 in Replacing the System Board 2 Replace the wireless card 3 Follow the instr...

Page 47: ...ter 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 1 Follow the instructions from step 2 to step 4 in Removing the Back Cover 2 Remove the wireless card 3 Follow the instructions from step 1 to step 8 in Removing the System Board 47 ...

Page 48: ... 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: ...on 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 home page at dell com regulatory_compliance 49 ...

Page 50: ...n 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 module slot Post requisites 1 Follow the instructions from step 4 to step 13 in Replacing the System Board 2 Replace the wireless card 3 Follow the instructions from step 3 to step 5 in Replacing the Back Cover 50 ...

Page 51: ...age 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 CAUTION To ensure maximum cooling for the processor do not touch the heat transfer areas on the heat sink The oils in your skin can reduce the heat transfer capability of the thermal grease Prerequisites 1 Follow the instructions fro...

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: ... to the system board and processor NOTE The original thermal grease can be reused if the original system board and fan are reinstalled together If either the system board or the fan is replaced use the thermal pad provided in the kit to make sure that thermal conductivity is achieved Procedure 1 Align the screw holes on the heat sink with the screw holes on the system board 2 Tighten the captive s...

Page 54: ...ory_compliance Prerequisites 1 Follow the instructions from step 2 to step 4 in Removing the Back Cover 2 Remove the speakers 3 Follow the instructions from step 1 to step 5 in Removing the System Board Procedure 1 Peel off the Aluminium foil tape that secures the antenna cable and camera and control buttons board cable to the display panel 2 Peel off the Aluminium foil tape that secures the anten...

Page 55: ...anel 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: ...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: ...play panel 4 Align the screw holes on the display panel brackets with the screw holes on the display bezel and adhere the display panel to the display bezel NOTE Make sure that no cables are under the display panel 5 Replace the screws that secure the display panel brackets to the display bezel 6 Connect the display cable and secure the cable with the tapes 7 Connect the display backlight cable to...

Page 59: ...Working Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites Follow the instructions from step 2 to step 4 in Removing the Back Cover Procedure 1 Note the antenna cables routing and disconnect the antenna cables from the wireless card 2 Peel off the Aluminium foil tapes that secure the antenna cables and camera ...

Page 60: ...m 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 display bezel 60 ...

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: ...tory Compliance home page at dell com regulatory_compliance Procedure 1 Adhere the antenna modules to the display bezel and secure the antenna modules with the Aluminium foil tapes 2 Route the antenna cables through the routing guides on the display bezel 3 Adhere the Aluminium foil tapes to the antenna cables and camera and control buttons board cable 4 Connect the antenna cables to the wireless ...

Page 63: ...g Inside Your Computer For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites Follow the instructions from step 2 to step 4 in Removing the Back Cover Procedure 1 Remove the screws that secure the camera module to the display bezel 2 Peel off the Aluminium foil tape that secures the camera module and the antenna cable to the display p...

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: ...best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure 1 Connect the camera cable to the camera module 2 Turn the camera module over 3 Align the screw holes on the camera module with the screw holes on the display bezel 4 Replace the screws that secure the camera module to the display bezel 5 Adhere the Aluminium foil tape to the camera module and antenn...

Page 66: ...uter For more safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Prerequisites 1 Follow the instructions from step 2 to step 4 in Removing the Back Cover 2 Remove the power status light board 3 Remove the speakers 4 Remove the wireless card 5 Follow the instructions from step 1 to step 5 in Removing the System Board 6 Remove the display assembly 7 Remov...

Page 67: ...1 display bezel 67 ...

Page 68: ...e safety best practices see the Regulatory Compliance home page at dell com regulatory_compliance Procedure Place the display bezel on a flat and clean surface Post requisites 1 Replace the antenna 2 Replace the camera 3 Replace the display assembly 4 Follow the instructions from step 8 to step 13 in Replacing the System Board 5 Replace the wireless card 6 Replace the speakers 7 Replace the power ...

Page 69: ...the Service Tag cannot be detected automatically select your product under the product categories 4 Click Get Drivers and Downloads 5 Click View All Drivers 6 In the Operating System drop down select the operating system installed on your computer 7 Click BIOS 8 Click Download File to download the latest version of the BIOS for your computer 9 On the next page select Single file download and click...

Page 70: ...uals setup instructions product specifications technical help blogs drivers software updates and so on See dell com support Information about Microsoft Windows 8 8 1 See dell com windows8 Information about Microsoft Windows 7 Click Start All Programs Dell Help Documentation Learn about your operating system setting up and using your computer data backup diagnostics and so on See Me and My Dell at ...

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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