Installing The Display Assembly - Dell Precision 7550 Instructions De Service

Steps
1. Open the display assembly to a 140-degree angle and place the computer at the edge of a flat table so that the display assembly can
extend below the table.
2. Disconnect the power button board cable from the power button board.
3. Remove the (M2x5) screw that secures the display bracket to the palmrest.
4. Disconnect the display cable from the connector on the system board.
5. Remove the (M2x5) screw that secures the Darwin bracket.
6. Peel and remove the WWAN cables and Darwin cables from the palmrest.
7. Remove the eight (M2.5x2.5) screws that secures the hinges to the palmrest.
8. Remove the display assembly from the palmrest.
NOTE: The touch display assembly for Precision 7550 is a Hinge-Up Design (HUD) assembly and cannot be further
disassembled once it is removed from the bottom chassis. If any components in the touch display assembly are
malfunctioning and need to be replaced, replace the entire touch display assembly.

Installing the display assembly

Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The figure indicates the location of the display assembly and provides a visual representation of the installation procedure.
Démontage et remontage 75