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

NOTE: The original thermal grease can be reused if the original processor and heat-sink assembly are reinstalled together.

CAUTION: If either the processor or the heat-sink assembly is replaced, use the thermal grease provided in the kit to

ensure that thermal conductivity is achieved.

1. Place the processor fan and heat-sink assembly on 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.

Post-requisites

1. Follow the procedure from step 10 to step 11 in "Replacing the power-supply unit".

2. Replace the left-side cover.