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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 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
desired changes again after you replace the system board.
Procedure
1 Starting from the right, gently place the system board on the palm-rest
assembly.
2 Align the screw holes on the system board with the screw holes on the
palm-rest assembly.
3 Replace the screws that secure the system board to the palm-rest
assembly.
4 Connect the battery cable, speaker cable, power-adapter port cable,
keyboard cable, keyboard-backlight cable, power-light cable and touch-
pad cable to the system board.
Post-requisites
1 Replace the display assembly.
2 Replace the processor fan.
3 Replace the video-card fan.
4 Replace the hard drive.
5 Replace the battery.
6 Replace the base cover.
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