HP Compaq nc6300 Maintenance And Service Manual page 112

Removal and Replacement Procedures
9. Remove the four Phillips PM3.0×4.0 hard drive frame
screws 1 from each side of the hard drive.
10. Lift the frame 2 straight up to remove if from the hard drive.
Removing the Hard Drive Frame
Reverse the above procedure to reassemble and install the
hard drive.
5–10 Maintenance and Service Guide