FIG. 1 is a right side perspective view of a personal computer hinge cam showing our new design;

FIG. 2 is a front elevational view thereof, on an enlarged scale;

FIG. 3 is a right side elevational view thereof, on an enlarged scale;

FIG. 4 is a rear elevational view thereof, on an enlarged scale;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a left side perspective view thereof.

The broken line drawing of a personal computer in all figure views is for illustrative purposes only and forms no part of the claimed design.