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 Align the screw holes on the system board with the screw holes on the
palmrest and keyboard assembly.
2 Replace the screw that secures the system board to the palmrest and
keyboard assembly.
3 Connect the power-adapter port cable and the speaker cable to the
system board.
4 Slide the touchpad cable into the connector on the system board and
press down the latch to secure the cable.
5 Slide the keyboard cable into the keyboard-cable connector and push
the connector latches in to secure the cable.
6 Connect the I/O-board cable and the hard-drive cable to the system
board.
7 Slide the Windows-button board cable into the connector on the system
board and press down the latch to secure the cable.
8 Adhere the tape on the Windows-button board connector to secure the
cable.
9 Connect the display cable to the system board.
10 Align the screw holes on the display-cable bracket with the screw holes
on the system board.
11 Replace the screws that secure the display-cable bracket to the system
board.
Post-requisites
1 Replace the processor fan and heat-sink assembly.
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