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OptiPlex 7780 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 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, touch screen, 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 11 screws (M3x5) to secure the display panel to the middle frame and display-assembly base.
  5. Remove the jig screw from the display panel and replace the screw (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.
  6. Route the display 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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