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Dell Precision 3430 Small Form Factor Service Manual

Removing heat sink and heat sink fan

  1. Follow the procedure in Before working inside your computer.
  2. Remove the:
    1. Side cover

    2. Front bezel

    3. Hard drive and optical drive module

  3. To remove the heat sink with fan:
    1. Disconnect the heat sink fan cable from the system board [1].
    2. Loosen the 4 captive screws that secure the heat sink [2] and lift it away from the system [3].
    • NOTE: Loosen the screws in a sequential order (1,2,3,4) as mentioned on the system board.
    Removing heat sink
  4. To remove the heat sink fan:
    1. Remove the four screws from the fan and lift the fan away from the heat sink.Heat sink fan

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