Owners manual

Removing the processor fan and
heat-sink assembly
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.
WARNING: 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.
Prerequisites
1 Remove the left-side cover.
2 Follow the procedure from step 1 to step 4 in "Removing the power-supply
unit".
Procedure
1 Disconnect the processor-fan cable from the system board.
2 In a non-adjacent sequence, loosen the captive screws that secure the
processor fan and heat-sink assembly to the system board.
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