HP COMPAQ NC4200 Maintenance And Service Manual page 106

4. Turn the notebook right-side up with the front toward you.
5. Open the notebook as far as possible.
6. Lift the front edge of the keyboard cover until it detaches
from the notebook.
Releasing the Keyboard Cover
7. Lift the keyboard cover straight up and remove it.
Removing the Keyboard Cover
Reverse the above procedure to install the keyboard cover.
Maintenance and Service Guide
Removal and Replacement Procedures
6–17