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OptiPlex 7490 All-In-One Service Manual

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Installing the side I/O-board

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 side I/O-board and provides a visual representation of the installation procedure.

Image: Installing the side-I/O board

Steps

  1. Align the screw holes on the side I/O-board with the screw holes on the display-assembly base.
  2. Replace the two screws (M2.5x3.5) to secure the side I/O-board to the display-assembly base.
  3. Route the SIO-signal cable, SIO-power cable, and audio-board cable through the routing guides on the display-assembly base.
  4. Connect the SIO-signal cable, SIO-power cable, and audio-board cable to the connectors on the system board.
  5. Align the screw holes on the side I/O-board shield with the screw holes on the display-assembly base.
  6. Replace the two screws (M3x5) to secure the side I/O-board shield to the display-assembly base.

Next steps

  1. Install the speakers.
  2. Install the rear-I/O bracket.
  3. Install the bottom cover.
  4. Install the system-board shield.
  5. Install the hard drive.
  6. Install the back cover.
  7. Install the cable cover (optional).
  8. Install the stand.
  9. Follow the procedure in After working inside your computer.

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