Heat Sink And Fan; Removing Heat Sink And Heat Sink Fan - Dell Precision 3431 Service Manual

4. Install the:
a) Hard drive and optical drive module
b) Front bezel
c) Side cover
5. Follow the procedure in

Heat sink and fan

Removing heat sink and heat sink fan

1. Follow the procedure in
2. Remove the:
a) Side cover
b) Front bezel
c) Hard drive and optical drive module
3. To remove the heat sink with fan:
a) Disconnect the heat sink fan cable from the system board [1].
b) Loosen the 4 captive screws that secure the heat sink [2] and lift it away from the system [3].
NOTE: Loosen the screws in a sequential order (1,2,3,4) as mentioned on the system board.
After working inside your computer.
Before working inside your computer.
Removing and Installing components 43