HP Compaq NX4820 Maintenance And Service Manual page 140

Removal and Replacement Procedures
✎
Steps 6 through 11 apply only to HP Pavilion dv1400 models.
See steps 12 through 15 in this section for information on
removing the keyboard on HP Compaq nx4820 and
Compaq Presario V2400 models.
6. Remove the two silver PM2.0×5.0 screws that secure the
keyboard to the computer.
Removing the Keyboard Screws, HP Pavilion dv1400 Models Only
Maintenance and Service Guide 5–27