Replacing 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
www.dell.com/regulatory_compliance.
CAUTION: Incorrect alignment of the heat sink can damage
the system board and processor.
NOTE: The original thermal grease can be reused if the original system
board and heat sink are reinstalled together. If either the system board or
the heat sink is replaced, use the thermal pad provided in the kit to
ensure that thermal conductivity is achieved.
Procedure
1 Align the screw holes on the heat sink with the screw holes on the system
board.
2 In sequential order (as indicated on the heat sink), tighten the captive
screws that secure the heat sink to the system board.
3 Turn the system board over.
Post-requisites
1 Follow the procedure from step 4 to step 10 in “Replacing the system
board”.
2 Replace the display assembly.
3 Follow the procedure from step 5 to step 11 in “Replacing the palm rest”.
4 Replace the wireless card.
5 Replace the base panel.
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