The ornamental design for a computerfrontbezel, as shown and described.
FIG. 1 is a perspective view of a computer front bezel of our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view thereof being mounted to a computer case which is shown in broken lines for illustrative purposes only and forms no part of the claimed design.