HP Compaq NC4010 Maintenance And Service Manual page 107

3. Remove the three PM2.0×4.0 screws 1 and the PM2.0×3.0
screw 2 that secure the keyboard to the notebook.
4. Lift the back edge of the keyboard and swing it forward
until it rests on the palm rest 3.
Releasing the Keyboard
Maintenance and Service Guide
Removal and Replacement Procedures
5–19