Dell Alienware 17 R2 (Early 2015) - Manual (Page 84)

Removing the heat sink
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.
WARNING: The heat sink may become hot during normal
operation. Allow sufficient time for the heat sink to cool
before you touch it.
CAUTION: For maximum cooling of the processor, do not
touch the heat transfer areas on the heat sink. The oils in
your skin can reduce the heat transfer capability of the
thermal grease.
Prerequisites
1 Remove the base panel .
2 Remove the wireless card .
3 Follow the procedure from step 1 to step 9 in “Removing the palm rest ”.
4 Remove the display assembly .
5 Remove the system board .
Procedure
1 In sequential order (as indicated on the heat sink), loosen the captive
screws that secure the heat sink to the system board.
84