HP Compaq Presario CQ42-152TU Notebook PC - Manual (Page 87)

To install a hard drive:
1. Lower the hard drive into the hard drive bay and connect the hard drive cable.
2. Snap the hard drive into place (1) and replace the hard drive screws (2).
3. Align the tabs (1) on the hard drive cover with the notches on the computer.
4. Close the cover (2).
Replacing the hard drive 77