HP Pro 3420 Maintenance & Service Manual page 56

3. Grasp the handle on top of the hard drive cage (2), slide the cage toward the edge of the
computer (3), then lift the cage out of the computer.
Figure 7-15
4. Remove the 4 mounting screws (1) that secure the hard drive to the hard drive cage. Do not
remove the rubber grommets behind each screw. They must stay attached to the cage when
installing a new hard drive.
NOTE:
5. Slide the hard drive out of the cage (2).
Figure 7-16
To replace the hard drive, reverse the removal procedures.
48 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis
Removing the hard drive cage assembly
Make sure the grommets are not broken or missing before reassembling the computer.
Removing the hard drive from the cage