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OptiPlex 7490 All-In-One Service Manual

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Installing the display panel

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 display panel and provides a visual representation of the display panel installation procedure.

Image: Installing the display panel

Image: Installing the display panel

Steps

  1. Place the system in an upright position, and slide the display panel on the slots of the display-assembly base.
  2. Route the display-backlight, and display cable through the slots on the display-assembly base.
  3. Place the display-assembly base on a clean and flat surface with the display panel facing down.
  4. Replace the nine screws (M3x5) to secure the display panel to the middle frame and display-assembly base.
  5. Remove the three jig screws from the display panel and replace with three screws (M3x5) to secure the display panel to the middle frame and display assembly base.
    NOTE The jig screw is shipped with the replacement display panel. It is used to align the display panel to the display-assembly base.
    Table 1. Number of jig screwsThe following table list the number of jig screws available in the touch and non-touch replacement display panel:
    Display type Number of jig screws
    Touch display

    One

    Non-touch display

    Three

  6. Route the display back-light cable in the routing guides on the display-assembly base.

Next steps

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

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