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 Gently place the system board into the chassis and slide it towards the
back of the computer.
2 Align the screw holes on the system board with the screw holes on the
chassis.
3 Replace the screws that secure the system board to the chassis.
4 Route and connect the hard-drive data cable, optical-drive data cable,
power-button cable, hard-drive and optical-drive power cable, front-
panel USB cable, media-card reader cable, and front-panel audio cable
to the system board.
For more information on the location of connectors, see “System-Board
Components”.
Post-requisites
1 Replace the fan.
2 Replace the wireless card.
3 Replace the memory module
4 Follow the procedure from step 3 to step 6 in “Replacing the drive cage”.
5 Replace the front bezel.
6 Replace the computer cover.
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