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Dell Precision Tower 3420 - Installing the System Fan; Removing the Heat Sink Fan Cover

Dell Precision Tower 3420
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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 After Working Inside Your Computer.
Removing the heat sink fan cover
1. Follow the procedure in Before Working Inside Your Computer.
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].
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