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.
Topics:
• Procedure
• Post-requisites
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.
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Replacing the heat sink 91
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