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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 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 them correctly
after you replace the system board.
Prerequisites
1 Remove the base cover.
2 Remove the battery.
3 Follow the procedure from step 1 to step 3 in removing the hard drive.
4 Remove the memory module(s).
5 Remove the wireless card.
6 Remove the fan.
7 Remove the keyboard.
8 Remove the base frame.
9 Remove the display assembly.
10 Remove the heat sink.
Procedure
1 Disconnect the hard-drive cable from the system board.
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