HP Compaq Presario,Presario R4000 Maintenance And Service Manual page 110

Removal and Replacement Procedures
9. Continue pressing down on the pressure points on the
keyboard cover (locations indicated by 1, 2, 3) to release
the keyboard cover hooks from the notebook. As you do so,
continue lifting the right side of the keyboard cover and
sliding the cover 4 toward the notebook rear panel.
10. Remove the keyboard cover.
Removing the Keyboard Cover, HP Pavilion zv6000 Models
5–20 Maintenance and Service Guide