Service Manual

Replacing the processor fan and 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.
Procedure
CAUTION: If either the processor or the heat-sink assembly is replaced, use the thermal grease provided in the kit to
make sure that thermal conductivity is achieved.
NOTE: The original thermal grease can be reused if the original processor and heat-sink assembly are reinstalled
together.
1. Place the processor fan and heat-sink assembly over the processor.
2. Align the captive screws on the processor fan heat-sink assembly with the screw holes on the system board.
3. In a non-adjacent sequence, tighten the captive screws that secure the processor fan and heat-sink assembly to the system board.
4. Connect the processor-fan cable to the system board.
For more information, see “System-board components”.
Post-requisites
1. Follow the procedure from step 9 to step 10 in “Replacing the power-supply unit”.
2. Replace the right-side cover.
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Replacing the processor fan and heat-sink assembly 65