Installing Heat Sink And Heat Sink Fan - Dell Precision 3431 Service Manual

4. To remove the heat sink fan:
a) Remove the four screws from the fan and lift the fan away from the heat sink.

Installing heat sink and heat sink fan

1. To install the heat sink fan:
a) Align and place the slots on the fan to the slots on the heat sink module.
b) Replace the four screws to secure the heat sink fan to the heat sink.
44 Removing and Installing components