Asus AP1720-E2 - Manual (Page 33)

2-13 ASUS AP1720-E2 barebone server
Before you can install a 5.25-inch drive, you should first remove the
front panel assembly (front bezel and front panel cover). The front
panel assembly is attached to the chassis through four hooked tabs
on the left side and four hinge-like tabs on the right side.
To remove the front panel assembly:
1. Pull the lock lever (blue bar) on the front
edge of the chassis outward to release
the front panel assembly.
2.5 Front panel assembly
2.5.1 Removing the front panel assembly
2. Pull and swing the left edge of the front
panel outward.
Lock lever