HP 6200 - Manual (Page 30)

Replacing the Front Bezel
Insert the three hooks on the bottom side of the bezel into the rectangular holes on the chassis (1)
then rotate the top side of the bezel onto the chassis (2) and snap it into place.
Figure 2-5 Replacing the Front Bezel
22 Chapter 2 Convertible Minitower (CMT) Hardware Upgrades ENWW