HP 53132A Assembly And Service Manual page 156

Chapter 3 Replacing Assemblies
To Remove the Front Bezel
7 Remove the two screws (H1), located in the sides of the front
bezel, using the TORX 15 screwdriver as shown in Figure 3-5.
8 Loosen the screw (H1), shown in Figure 3-5, that helps secure
A1 Motherboard Assembly to the chassis to make step 9 (the
following step) easier.
9 Remove front bezel by pushing inward on the sides of the chassis.
3-8 Assembly-Level Service Guide