Dell Inspiron 20 3000 Series, Service Manual

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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 Compliance home page at www.dell.com/
regulatory_compliance .
NOTE: Your computer’s Service Tag is stored in the system board. You
must enter the Service Tag in the BIOS setup program after you replace the
system board.
NOTE: Replacing the system board removes any changes you have made to
the BIOS using the BIOS setup program. You must make the appropriate
changes again after you replace the system board.
Procedure
1 Align the screw holes on the system board with the screw holes on the display-
assembly base.
2 Replace the screws that secure the system board to the display-assembly base.
3 Slide the control-buttons board and display cables into its connectors on the
system board and close the latches to secure the cables.
4 Connect the touch-board cable, display-panel power cable, speaker cable,
microphone and camera cable, hard-drive data cable, optical-drive data cable,
hard-drive and optical-drive power cable, and fan cable to the system board.
Post-requisites
1 Replace the wireless card .
2 Replace the memory module .
3 Replace the heat sink .
4 Replace the system-board shield .
5 Replace the back cover .
6 Follow the procedure in step 4 in “ Replacing the optical drive ”.
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