HP Compaq Presario,Presario R4000 Maintenance And Service Manual page 99

5. Remove the two PM2.0×7.0 hard drive retention screws 1
that secure the hard drive to the notebook.
6. Slide the hard drive 2 to the right to disconnect it from the
system board.
7. Lift the hard drive 3 straight up and remove it from the hard
drive bay.
Removing the Hard Drive
Maintenance and Service Guide
Removal and Replacement Procedures
5–9