HP ProDesk 400 G3 Small Form Factor Maintenance And Service Manual page 44

7. Connect the power cable (1) and data cable (2) to the rear of the hard drive, and route the cables
through the retainer clip (3).
8. Slide the optical drive through the front bezel all the way into the bay (1) so that it locks in place (2), and
then connect the power cable (3) and data cable (4) to the rear of the drive.
9. Reassemble the computer.
36 Chapter 4 Removal and replacement procedures: Small Form Factor