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Dell Precision Tower 3420 Owner's Manual

Installing the power button

  1. Slide the power switch module into the slot on the chassis until it clicks into place.
  2. Connect the power switch cable to the connector on the system board.
  3. Install the:
    1. optical drive
    2. hard drive
    3. front bezel
    4. cover
  4. Follow the procedure in After Working Inside Your Computer.

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