HP ProSignia 120 Maintenance And Service Manual page 84

7. Disengage the hard drive from the connector by sliding the hard drive toward the
front of the computer.
8. Using the lifting tab, remove the hard drive from the computer.
Figure 5-11. Removing the Hard Drive
Reverse the above procedure to install the hard drive. Be sure to place the lifting tab
inside the computer before replacing the cover.
Removal and Replacement Procedures 5-13