Dell Alienware 15 (Early 2015) - Manual (Page 129)

Removing the coin-cell
battery
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.
CAUTION: Removing the coin-cell battery resets the BIOS
settings to default. It is recommended that you note the
BIOS settings before removing the coin-cell battery.
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 .
8 Follow the procedure from step 1 to step 11 in “Removing the system board ”.
Procedure
1 Disconnect the coin-cell battery cable from the system board.
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