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 appropriate 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 cover.
2 Remove the battery.
3 Remove the rear cover.
4 Follow the procedure from step 1 to step 18 in Removing the computer base.
Procedure
1 Turn the computer base over.
2 Disconnect the coin-cell battery from the system board.
3 Open the latch and disconnect the hard-drive cable from the system board.
4 Open the latch and disconnect the status-light board cable from the system board.
5 Disconnect the power-adapter port cable from the system board.
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Removing the system board 47
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