The ornamental design for a notebookcomputer, as shown and described.
FIG. 1 is a perspective view of a notebook computer showing 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 an enlarged partial view thereof shown indicated in FIG. 1.
The broken lines in the drawings illustrate portions of the notebook computer which form no part of the claimed design.
The dash dot lines in FIGS. 1 and 8 are included for the purpose of illustrating an enlarged area and form no part of the claimed design. The number in FIG. 1 is for illustrative purposes only and form no part of the claimed design.