Service manual

Replacing the Processor
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
dell.com/regulatory_compliance.
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.
Procedure
CAUTION: Incorrect alignment of the heat sink may damage
the system board and processor.
NOTE: The original thermal grease can be reused if the original processor
and heat sink are reinstalled together. If either the processor or the heat
sink is replaced, use the thermal grease provided in the kit to make sure
that thermal conductivity is achieved.
1 Place the processor heat sink over the processor.
2 Align the captive screws on the processor heat sink with the screw holes
on the system board.
3 Tighten the captive screws that secure the processor heat sink to the
system board.
Post-requisites
1 Replace the processor fan.
2 Replace the top cover.
3 Replace the base cover.
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