Inspiron 15 3521 Service Manual

Removing the display assembly

CAUTION: The maximum operating angle for the display-panel hinge is 135 degrees.

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

Image of removing the display assembly - part 1

Image of removing the display assembly - part 2

Image of removing the display assembly - part 3

Disconnect the display cable and the speaker cable from the respective connectors on the system board.
Unroute the speaker cable and WLAN antenna cables from the respective routing guides on the palm-rest and keyboard assembly.
Open the display assembly at an angle of 90 degrees and place the system on the edge of a flat surface such that the palm-rest and keyboard assembly lay flat on the surface and the display assembly is over the edge.
Remove the four screws (M2.5x5) that secure the display hinges to the palm-rest and keyboard assembly.
Fold the left and right hinges away from the palm-rest and keyboard assembly.
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 power-adapter port is secured in place by the left display hinge. There is no screw, tape, or adhesives securing the power-adapter port to the palm-rest. As a result, technicians should take note of whether the power-adapter port has fallen out of the system during subsequent removal procedures.