Dell Alienware 15 (Early 2015) - Manual (Page 114)

Removing 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.
NOTE: Replacing the system board removes any changes you have made
to the BIOS using the BIOS setup program. You must make the desired
changes again after you replace the system board.
NOTE: Before disconnecting the cables from the system board, note the
location of the connectors so that you can reconnect them correctly after
you replace the system board.
Prerequisites
1 Remove the base panel .
2 Remove the memory modules .
3 Remove the solid-state drives .
4 Remove the wireless card .
5 Follow the procedure from step 1 to step 11 in “Removing the palm rest ”.
6 Remove the hinge covers .
7 Remove the display assembly .
Procedure
1 Turn the computer over.
2 Disconnect the fan cables and power-adapter port cable from the system
board.
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