Dell Alienware 17 (Mid 2013) - Manual (Page 40)

Replacing the Processor Heat Sink | 40
Replacing the Processor 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" on page 11. After working
inside your computer, follow the instructions in "After Working Inside
Your Computer" on page 13.
For more safety best practices, see the Regulatory Compliance
home page at dell.com/regulatory_compliance.
Procedure
NOTE: The original thermal grease can be reused, if the original system board
and heat sink are reinstalled together. If either the video card or the heat sink
is replaced, use the thermal pad provided in the kit to make sure that thermal
conductivity is achieved.
1 Align the captive screws on the heat sink with the screw holes on the system board.
2 In sequential order (indicated on the heat sink), tighten the captive screws that
secure the heat sink to the system board.
Postrequisites
1 Replace the processor fan. See "Replacing the Processor Fan" on page 35.
2 Replace the battery. See "Replacing the Battery" on page 17.
3 Replace the base cover. See "Replacing the Base Cover" on page 15.
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