The ornamental design for a notebookcomputer, as shown and described.
1. Notebook Computer
1.1 : Perspective view, shown in a state of being folded
1.2 : Front view thereof
1.3 : Back view thereof
1.4 : Left side view thereof
1.5 : Right side view thereof
1.6 : Top view thereof
1.7 : Bottom view thereof
1.8 : Perspective view, shown in a state of being unfolded at 180 degrees
1.9 : Front view thereof
1.10 : Back view thereof
1.11 : Left side view thereof
1.12 : Right side view thereof
1.13 : Top view thereof
1.14 : Bottom view thereof
1.15 : Perspective view, shown in a state where the screen is rotated 360 degrees
1.16 : Front view thereof
1.17 : Back view thereof
1.18 : Left view thereof
1.19 : Right view thereof
1.20 : Top view thereof
1.21 : Bottom view thereof
The shading lines in reproductions 1.8 and 1.15 are used to show the surface of the display screen of the claimed design, and do not represent its surface ornamentation. The broken lines, and unshaded surfaces bound on all sides by broken lines, depict portions of the notebook computer that form no part of the claimed design.