Dell Precision 420 - Manual (Page 84)

Figure 5. Removing the Computer Cover (Mini Tower Chassis)
Removing and Replacing the Front Bezel (Mini Tower Chassis Only)
To access some drive bays in the mini tower chassis, you must first remove the front bezel. To remove the front bezel, you first must remove the
computer cover (see "
Removing the Computer Cover (Mini Tower Chassis) "). With the cover removed, release the bezel by pressing the tab
release marked with the icon (see Figure 6).
Figure 6. Removing the Front Bezel
While pressing the tab release, tilt the bezel away from the chassis, disengage the two retaining hooks at the bottom of the bezel, and carefully pull
the bezel away from the chassis.
To replace the bezel, fit the two retaining hooks on the bezel into their corresponding slots at the bottom of the chassis (see Figure 6 ). Then rotate
the top of the bezel toward the chassis until the top tabs snap into their corresponding slots on the bezel.
Replacing the Computer Cover (Mini Tower Chassis)
1 Release button
1 Tab release
2 Retaining hooks (2)