HP Compaq Elite 8300 Touch All-in-One Business Maintenance & Service Manual page 64

3.
Pull the latch next to the lower side of the hard disc drive cage away from the cage to release it,
then slide the cage toward the edge of the chassis and lift it out.
Figure 7-17
4.
Lift the latch on one side of the hard disc drive cage and pull the hard disc drive out of the cage.
Figure 7-18
54 Chapter 7 Removal and Replacement Procedures All-in One (AIO) Chassis
Removing the hard disc drive cage
Removing the hard disc drive from the cage