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Dell OptiPlex 3240 All-In-One Owner's Manual

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Removing the intrusion switch

  1. Follow the procedure in Before Working Inside Your Computer .
  2. Remove the:
    1. stand

    2. back cover

    3. VESA mount bracket

    4. system-board shield

  3. To release the intrusion-switch cable:
    1. Disconnect the intrusion-switch cable from the connector on the system board [1].
    2. Unthread the intrusion-switch cable from the retention clips on the computer [2].
    Figure displaying the removal of the intrusion cable from the connector on the system board.
  4. To remove the intrusion-switch:
    1. Remove the screw that secures the intrusion switch to the chassis [1].
    2. Slide and lift the intrusion switch to remove it from the computer [2].
    Figure displaying the removal of the intrusion switch.

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