Service Manual

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 BIOS setup program after you replace
the system board.
Procedure
1 Connect the I/O-board cable to the system board.
2 Turn the system board over.
3 Slide the ports on the system board into the slots on the computer base
and place the system board on the computer base.
4 Connect the display cable to its connector on the system board and
adhere the tape.
5 Connect the power-adapter port cable to its connector on the system
board.
6 Route the I/O-board cable through the routing guides on the computer
base.
7 Connect the I/O-board cable to the connector on the I/O board.
Post-requisites
1 Replace the wireless card.
2 Replace the fan.
3 Replace the palm rest.
4 Replace the keyboard.
5 Replace the optical drive.
6 Replace the base cover.
7 Replace the battery.
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