HP nw9440 Maintenance And Service Manual page 122

Removal and Replacement Procedures
3. Remove the four Torx8 T8M2.5×9.0 screws that secure the
keyboard to the computer.
Removing the Keyboard Screws
4. Turn the computer display-side up with the front toward you.
5. Open the computer as far as possible.
6. Lift the rear edge of the keyboard and swing it toward
you until it rests on the palm rest.
Releasing the Keyboard
5–22 Maintenance and Service Guide