The ornamental design for a portablecomputer, as shown and described.
FIG. 1 is a top front perspective view of a portable computer showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a rear perspective view thereof;
FIG. 9 is another right side view thereof, with a display portion of the portable computer being obliquely positioned at a rear of the portable computer; and,
FIG. 10 is another top front perspective view thereof, wherein the display portion of the portable computer is positioned to be closed on a keyboard body of the portable computer.
The broken lines illustrating portions of the portable computer are for environmental purposes only and form no part of the claimed design.