Removing the heat-sink assembly
NOTE: 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.
NOTE: 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.
Topics:
• Prerequisites
• Procedure
Prerequisites
1. Remove the optical drive.
2. Remove the base cover.
3. Remove the battery.
4. Remove the system-board assembly.
Procedure
NOTE: Place the system board on a clean and flat surface.
1. Disconnect the fan cable from the system board.
2. In sequential order, as indicated on the heat-sink assembly, loosen the captive screws that secure the heat-sink assembly to
the system board.
3. Remove the screws that secure the heat-sink assembly to the system board.
4. Lift the heat-sink assembly off the system board.
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56 Removing the heat-sink assembly
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