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Dell Precision Tower 3420 Owner's Manual

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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:
    1. optical drive
    2. hard drive
    3. front bezel
    4. cover
  5. Follow the procedure in After Working Inside Your Computer.

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