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Dell Latitude 7390 Owner's Manual

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Removing touchpad buttons board

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

    2. battery

  3. To disconnect the smart card cable:
    1. Disconnect the smart card cable [1].
    2. Lift the smart card cable that is affixed to the computer [2] to reveal the touchpad buttons board cable.
    3. Remove the adhesive tape that secures the speaker cable to the touchpad panel [3].
      • NOTE: Un-route the speaker cable from the routing clips from the touchpad buttons.
    The image displays removing the Touchpad panel
  4. To remove the touchpad buttons board:
    1. Disconnect the touchpad buttons board cable from the touchpad board [1].
      • NOTE: The touchpad buttons board cable is below the smart card cable. Ensure to lift the latch, to release the touchpad button board cable.
    2. Remove M2.0 x 2.5 screws (2) that secure the touchpad buttons board [2].
    3. Lift the touchpad buttons board from the computer [3].
    The image displays removing the Touch button board

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