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Dell Latitude 3390 2-in-1 Owner's Manual

PDF

Removing the Input-Output board

Steps

  1. Follow the procedure in Before working inside your computer.
  2. Remove the:
    1. base cover
    2. battery
  3. To remove the I/O board:
    1. Peel and lift the plastic label of the I/O board cable [1].
    2. Pull the copper lever to disconnect the I/O board cable on the system board [2].
      NOTE: Ensure to pull the copper lever by an angle 15° to 20°, to avoid damage to the connector copper pins.
    3. Disconnect the coin cell battery and power and volume button board cables from the I/O board [3].
      The image displays removing the I/O board
    4. Remove the M2x3.5 screw (2) that secures the I/O board to the laptop chassis [1].
    5. Lift the I/O board from the laptop chassis [2].
    The image displays removing the screw and lifting the board from the system board

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