The ornamental design for a portablecomputer having a keyboard channel, as shown and described.
FIG. 1 is a front perspective view of an embodiment of the design for the portable computer having the keyboard channel, wherein the keyboard channel is disposed in a base of the portable computer, and a display panel is shown rotated away from the base in an open position;
FIG. 2 is a right side elevational view of an embodiment of the design for the portable computer having the keyboard channel, wherein the display panel is shown rotated toward the base in a closed position;
FIG. 3 is a left side elevational view of an embodiment of the design for the portable computer having the keyboard channel, wherein the display panel is shown rotated toward the base in the closed position;
FIG. 4 is a top side elevational view of an embodiment of the design for the portable computer having the keyboard channel, wherein the display panel is shown rotated away from the base in the open position;
FIG. 5 is a bottom side elevational view of an embodiment of the design for the portable computer having the keyboard channel;
FIG. 6 is a front plan view of an embodiment of the design for the portable computer having the keyboard channel; and,
FIG. 7 is a rear plan view of an embodiment of the design for the portable computer having the keyboard channel;
In these drawings, the solid lines illustrate the claimed ornamental design, whereas the broken lines illustrate environmental features that form no part of the claimed ornamental design.