HP Compaq Presario,Presario V4000 Maintenance And Service Manual page 113

5. Use the tab 1 on the right side of the hard drive to pull the
hard drive to the left 2 until it disconnects from the
computer.
6. Lift the hard drive straight up 3 and remove it from the
hard drive bay.
Removing the Hard Drive
Maintenance and Service Guide
Removal and Replacement Procedures
5–9