Removing the heat sink
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 stand.
2. Remove the back cover.
3. Remove the system-board shield.
Procedure
NOTE:
The number of captive screws on the heat sink vary depending on the configuration ordered.
• Without discrete graphics: 4 captive screws
• Discrete graphics: 7 captive screws
1. In reversed order (as indicated on the heat sink), loosen the captive screws that secure the heat sink to the system board.
2. Loosen the captive screw that secures the heat sink to the display-assembly base.
3. Lift the heat sink off the system board.
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Removing the heat sink 55
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