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 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 desired changes again
after you replace the system board.
NOTE: Before disconnecting the cables from the system board, note the location
of the connectors so that you can reconnect the cables correctly after you
replace the system board.
Topics:
• Prerequisites
• Procedure
Prerequisites
1 Remove the base panel.
2 Follow the procedure from step 1 to step 9 in “Removing the palm rest”.
3 Remove the display assembly.
Procedure
1 Turn the computer over.
2 Disconnect the processor-fan cable, video-card fan cable, hard-drive cable and
power-adapter port cable from the system board.
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Removing the system board 79
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