Dell Precision 3431 Small Form Factor - System Fan; Removing the System Fan

3. Install the:
a) Hard drive and optical drive module
b) Front bezel
c) Side cover
4. Follow the procedure in After working inside your computer.
System fan
Removing the system fan
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a) Side cover
b) Front bezel
c) Hard drive and optical drive module
3. To remove the system fan:
a) Disconnect the system fan cable from the system board [1].
b) Slide the fan grommets towards the slot on the back of the fan chassis [2].
c) Lift the fan away from the system [3, 4].
Removing and Installing components
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