Replacing The System Board; Procedure - Dell Alienware 15 R4 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, follow the instructions in
For more safety best practices, see the Regulatory Compliance home
page at www.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
appropriate changes again after you replace the system board.

Procedure

1 Replace the
2 Connect the I/O cable to the back of the system board.
3 Align the screw holes on the system board with the screw holes on the palm-
rest assembly.
CAUTION: Make sure that no cables are under the system board.
4 Replace the six screws (M2.5x5) that secure the system-board assembly to
the palm-rest assembly.
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heat-sink assembly.
computer. After working inside your
After working inside your computer.