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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 system setup after you replace the
system board.
Procedure
1 Replace the side I/O bracket on the system board.
2 Align the screw holes on the system board with the screw holes on the
display-panel base.
3 Replace the screws that secure the system board to the chassis.
4 Route and connect all the cables to the connectors on the system board.
Post-requisites
1 Replace the coin-cell battery.
2 Replace the wireless card.
3 Replace the hard drive.
4 Replace the processor.
5 Replace the processor fan.
6 Replace the processor heat-sink.
7 Replace the I/O bracket.
8 Replace the power-supply diagnostic board.
9 Replace the VESA-mount bracket.
10 Replace the system-board shield.
11 Replace the memory module(s).
12 Replace the back cover.
13 Replace the stand assembly.
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