HP Compaq NC6140 Maintenance And Service Manual page 98

Removal and Replacement Procedures
6. Loosen the Phillips PM2.5×13.0 spring-loaded hard drive
retention screw 1.
7. Grasp the mylar tab 2 on the hard drive and slide the hard
drive to the right 3 to disconnect it from the system board.
8. Remove the hard drive 4 from the hard drive bay.
Removing the Hard Drive
6–8 Maintenance and Service Guide