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Dell Precision 3430 Small Form Factor Service Manual

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Installing the power supply unit or PSU

  1. Insert the PSU in the chassis and slide it towards the back of the system to secure it [1].
  2. Replace the screws to secure the PSU to the rear chassis of the system . Replace the screws to secure the PSU
  3. Connect the power cable to the connector on the system board [1].
  4. Route the system power cable through the retention clips [2].
  5. Route the CPU power cable through the retention clips [3].
  6. Connect the CPU power cable to the connector on the system board [4].Install the power supply
  7. Install the:
    1. Hard drive and optical drive module

    2. Front bezel

    3. Side cover

  8. Follow the procedure in After working inside your computer.
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