Dell Inspiron 20 (3043, Mid 2014) User Manual

Inspiron 20Service ManualComputer Model: Inspiron 20 Model 3043Regulatory Model: W13BRegulatory Type: W13B001

After Working Inside Your ComputerCAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.1 Replace all screws

Technical OverviewWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Be

System Board Components 1 memory-module slot (DDR3L) 2 hard-drive cable connector (HDD)3 wireless-card slot (WLAN) 4 display-backlight cable connector

1 camera and control-buttons board cable connector 2 coin-cell battery cable connector3 coin-cell battery 13

Removing the Hard DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

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 cable5 interpose

7 Peel off the tape that secures the interposer board to the hard-drive assembly.1 hard-drive assembly 2 interposer board3 tape8 Turn the hard-drive

11 Lift the hard-drive bracket off the hard drive.1 interposer board 2 screws (4)3 hard drive 4 hard-drive bracket17

Replacing the Hard DriveWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Back CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

Procedure1 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 s

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 damagin

4 Carefully lift the back cover and turn it over.1 back cover 2 display bezel5 Follow the instructions from step 1 to step 4 in “Removing the Contro

7 Lift the back cover off the surface.1 back cover23

Replacing the Back CoverWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Control-Buttons BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow

4 Lift the control-buttons board off the back cover.1 screws (3) 2 control-buttons board3 control-buttons board cable4 tape26

Replacing the Control-Buttons BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follo

Removing the Wireless CardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

3 Slide and remove the wireless card from the wireless-card slot.1 antenna cables (2) 2 tab3 wireless card 4 screw5 notch 6 wireless-card slot29

ContentsBefore Working Inside Your Computer...7Before You Begin ...

Replacing the Wireless CardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Removing the Power-Status Light BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and fol

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 latch32

Replacing the Power-Status Light BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and fo

Removing the SpeakersWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

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 connecto

Replacing the SpeakersWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Removing the System BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the step

Procedure 1 Lift the connector latch and disconnect the power-status light cable from the system board.2 Disconnect the hard-drive cable, speaker ca

4 Carefully lift the system-board bracket and turn it over.1 screws (3) 2 system-board bracket5 Disconnect the camera and control-buttons board cabl

Replacing the Control-Buttons Board...27Procedure...

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

11 Remove the system board off the surface.1 system board41

Replacing the System BoardWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

Post-requisites1 Replace the wireless card.2 Follow the instructions from step 3 to step 5 in “Replacing the Back Cover”.Entering the Service Tag in

Removing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

Procedure1 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

Replacing the Coin-Cell BatteryWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow th

Removing the Memory ModuleWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

Procedure1 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

Replacing the Memory ModuleWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Replacing the System Board...42Procedure...

Procedure1 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 p

Removing the Heat SinkWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps i

Procedure1 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

Replacing the Heat SinkWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps

Removing the Display AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

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 cable3 display-

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 bezel8 Pry t

10 Lift the display panel off the surface.1 screws (4) 2 display panel3 display-panel brackets (2)57

Replacing the Display AssemblyWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

Removing the AntennaWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Replacing the Display Assembly...58Procedure...

3 Remove the antenna cables from routing guides on the display bezel.1 Aluminium foil tapes (2) 2 camera and control-buttons board cable3 wireless ca

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 bezel61

Replacing the AntennaWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Removing the CameraWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in B

4 Disconnect the camera cable from the camera module.1 Aluminium foil tape 2 screws (2)3 camera cable 4 camera module64

Replacing the CameraWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in

Removing the Display BezelWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the ste

1 display bezel67

Replacing the Display BezelWARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the st

Flashing the BIOSYou 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 o

Before Working Inside Your ComputerCAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contact

Getting Help and Contacting DellSelf-Help ResourcesYou can get information and help on Dell products and services using these online self-help resourc

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

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Reg

• Philips screwdriver• Flat-head screwdriver• Plastic scribe9