The ornamental design for a frontbezel for a computer enclosure, as shown and described.
FIG. 1 is a perspective view of a front bezel for a computer enclosure showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left-side, elevational view thereof;
FIG. 4 is a right-side, elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a perspective view of the front bezel being mounted to a computer enclosure with a cover pivoted to an opening position and another cover slid to an opening position.
The broken lines are for illustrative purposes only and form no part of the claimed design.