HP Compaq dc7100 DT Reference Manual page 105

8. In the minitower mode, pull up on the green drivelock mechanism 1 for that specific drive
and slide the drive from the drive bay 2.
9. Remove the four guide screws (two on each side) from the old drive and install them in the
lower set of holes on the optical drive.
Extra guide screws are provided on the chassis on the side of the fourth drive bay. Optical drives
use M3 metric screws. The HP-supplied metric screws are black. The HP-supplied standard
screws are silver.
Service Reference Guide, dc7100
Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis
361288-003 6–25