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OptiPlex 7490 All-In-One Service Manual

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Removing the rear-I/O bracket

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the stand.
  3. Remove the cable cover (optional).
  4. Remove the back cover.
  5. Remove the system-board shield.
  6. Remove the bottom cover.

About this task

The following image indicates the location of the rear-I/O bracket and provides a visual representation of the removal procedure.

Image: Removing the rear-I/O bracket

Steps

  1. Remove the screw (M3x5) that secures the power-supply socket to the rear-I/O bracket.
  2. Remove the power-supply cable from the routing guide on the rear-I/O bracket.
  3. Slide and remove the power-supply socket away from the rear-I/O bracket.
  4. Remove the three screws (M3x5) that secure the rear-I/O bracket to the display-assembly base.
  5. Lift the rear-I/O bracket off the display-assembly base.

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