Installing The Display Assembly - Dell Latitude 3540 Service Manual

Steps
1. Peel the adhesive tape that secures the display cable.
2. Disconnect the display cable from the connector on the system board.
3. Unroute the WLAN antennae cables from the routing guides on the fan.
4. Place the computer on a flat surface such that the palm-rest and keyboard assembly lay flat on the surface.
5. Remove the six screws (M2.5x5) that secure the display hinges to the palm-rest and keyboard assembly.
6. Lift the left and right hinges in upward direction, away from the system.
7. Lift the palm-rest and keyboard assembly at an angle to free it from the hinges and remove it from the display assembly.
NOTE: The display assembly 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 display assembly are malfunctioning and is required to be
replaced, replace the entire 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
NOTE: The display assembly installation procedure is the same for both clamshell and 2-in-1 convertible chassis.
NOTE: Ensure that the hinges are opened to the maximum before replacing the display assembly on the palm-rest and
keyboard assembly.
The following images indicate the location of the display assembly and provide a visual representation of the installation
procedure.
Removing and installing components 53