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Dell Precision 3430 Small Form Factor Service Manual

PDF

Removing system board

  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

    4. Heat sink and heat sink fan

    5. Processor

    6. Memory module

    7. M.2 PCIe SSD card

    8. Intel Optane card

    9. SD card reader

    10. M.2 2230 WLAN card

  3. To remove the I/O panel:
    1. Remove the screw that secures the I/O panel [1].
    2. Rotate the I/O panel and remove it from the system [2].
    3. Disconnect the power switch cable [3], unroute the power cable from the retention clips on the chassis [4], psu cable [5] and, intrusion switch cable [6] from the connectors on the system board. To remove the I/O panel
  4. Disconnect the intrusion switch cable [1], PSU power cable [2], data cable [3], system fan cable [4], SATA cable [5], SATA power cable [6] Disconnect the cables.
  5. To remove the screws from the system board:
    1. Remove the standoff single (#6-32) screw and single (M3x6) caddy screw that secures the system board to the system [1,2].
    2. Remove the 5 screws that secure the system board to the chassis [3].Remove the screws.
  6. To remove the system board:
    1. Lift and slide the system board away from the system [1, 2].Remove the system board.
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