HP Compaq nc6300 Maintenance And Service Manual page 152

Removal and Replacement Procedures
8. Lift up the rear edge of the top cover 1 until it disengages
from the base enclosure.
9. Swing the top cover 2 toward you until the left and right
sides of the top cover disengage from the base enclosure.
10. Lift up on the left 3 and right sides 4 of the top cover until
the top cover disengages from the base enclosure.
Releasing the Top Cover
11. Lift the top cover straight up until the front edge of the top
cover disengages from the base enclosure and remove the top
cover.
Reverse the above procedure to install the top cover.
5–50 Maintenance and Service Guide