Installing The Processor Fan And 125 W Heat-Sink Assembly - Dell Precision 3660 Tower Service Manual

Steps
1. Disconnect the processor-fan cable from the connector on the system board.
2. In the reverse sequential order (4->3->2->1), loosen the four captive screws that secure the processor fan and heat-sink
assembly to the system board.
3. Lift the processor fan and heat-sink assembly from the system board.

Installing the processor fan and 125 W heat-sink assembly

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
NOTE: If either the processor or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure that
thermal conductivity is achieved.
About this task
The following images indicate the location of the processor fan and 125 W heat-sink and provides a visual representation of the
installation procedure.
Removing and installing components 41