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OptiPlex 7490 All-In-One Service Manual

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Installing the rear-I/O bracket

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

About this task

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

Image: Installing the rear-I/O bracket

Steps

  1. Align the screw holes on the rear-I/O bracket with the screw holes on the display-assembly base.
  2. Replace the three screws (M3x5) to secure the rear-I/O bracket to the display-assembly base.
  3. Route the power-supply cables through the routing guide on the rear-I/O bracket.
  4. Align the screw hole on the power-supply socket with the screw hole on the rear-I/O bracket, and place it in the slot on the rear-I/O bracket.
  5. Replace the screw (M3x5) to secure the power-supply socket to the rear-I/O bracket.

Next steps

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

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