The ornamental design for a keyboard for a personalnotebook computer, as shown and described.
FIG. 1 is a top front and side perspective view of a keyboard for a
personal notebook computer showing our new design with the characters
being omitted from the keys for clarity of illustration only;
FIG. 2 is an enlarged top plan view thereof; and,
FIG. 3 is a side elevational view thereof opposite that shown in FIG. 1.
The personal computer is shown in broken lines in the figures for
illustrative purposes only and forms no part of the claimed design.