Latitude 7455 Owner's Manual

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Removing the display assembly (for computers shipped with WLAN-only support)

CAUTION:The information in this removal section is intended for authorized service technicians only.
CAUTION:The maximum operating angle for the display-panel hinge is 135 degrees.

Prerequisites

  1. Follow the procedure in Before working inside your computer.
  2. Remove the base cover.

About this task

The following images indicate the location of the display assembly and provide a visual representation of the removal procedure.

Figure 1. Removing the display assembly (for computers shipped with WLAN-only support)
Image: Removing the display assembly (for computers shipped with WLAN-only support)

Steps

  1. Peel the Mylar and open the latch from the camera connector (MIPI) on the system board.
  2. Disconnect the camera cable from the camera connector (MIPI) on the system board.
  3. Peel the Mylar and open the latch from the display connector (EDP) on the system board.
  4. Disconnect the display cable from the display connector (EDP) on the system board.
  5. Open the display to a 90-degree angle and place the computer at the edge of a flat table.
  6. Remove the four screws (M2.5x4.5) that secure the left and the right display hinges to the palm-rest and keyboard assembly.
  7. Lift the display assembly off the palm-rest and keyboard assembly.
  8. After performing all the above steps, you are left with the display assembly.
    NOTE:The display assembly is a Hinge-Up Design (HUD) assembly, which cannot be further disassembled. If any components in the display assembly malfunction and require replacement, the entire display assembly has to be replaced.
    Figure 2. Display assembly
    Image: Display assembly
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