Installing The System Fan; Removing The Heat Sink Fan Cover - Dell Precision Tower 3420 Owner's Manual

Installing the system fan

1. Place the system fan in the computer.
2. Pass the grommets through the chassis and slide outward along the groove to secure it in place.
3. Connect the system fan cable to the system board.
4. Install the:
a. optical drive
b. hard drive
c. front bezel
d. cover
5. Follow the procedure in

Removing the heat sink fan cover

1. Follow the procedure in
2. Remove the cover.
3. To remove the fan duct:
a. Holding the touch points, pull the fan duct bracket to release the fan duct [1].
b. Lift the fan duct away from the computer [2].
After Working Inside Your
Before Working Inside Your
Computer.
Computer.
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