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Dell Precision Tower 3420 Owner's Manual

Removing the system fan

  1. Follow the procedure in Before Working Inside Your Computer.
  2. Remove the:
    1. cover
    2. front bezel
    3. hard drive
    4. optical drive
  3. To remove the system fan:
    1. Disconnect the system fan cable from the system board [1].
    2. Slide the fan grommets toward the slot on the back wall [2].
    3. Lift the fan away from the computer [3].
    Figure displaying removing the system fan.

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