HP EliteOne 800 G1 Maintenance & Service Manual page 60

3.
Pull the latch next to the lower side of the drive cage away from the cage to release it, then slide
the cage toward the edge of the chassis and lift it out.
4.
If there is a second disc drive in the 2.5-inch drive adapter, disconnect the cable from it.
5.
Slide the drive adapter holding the 2.5-inch drive or drives out of the drive cage.
50 Chapter 5 Removal and Replacement Procedures All-in One (AIO) Chassis