Dell Alienware Area 51 R2 (Late 2014) - Manual (Page 117)

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 both the left and right side-panels. See “ Removing the Side
Panels ”.
2 Remove the memory fan .
3 Remove the graphics card .
4 Remove the multiple graphics cards .
5 Remove the coin cell battery .
6 Remove the memory modules .
7 Remove the processor liquid-cooling assembly fan .
8 Remove the wireless card .
9 Remove the processor .
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