HP Compaq dc7100 DT Reference Manual page 102

Removal and Replacement Procedures - Convertible Minitower (CMT) Chassis
6. Pull up on the green hard drive drivelock mechanism 1 for that drive and slide the drive from
the drive bay 2.
7. Remove the four guide screws (two on each side) from the old drive and install them in the
replacement drive.
Extra guide screws are provided on the chassis. Optical drives use M3 metric screws. The
HP-supplied metric screws are black. The HP-supplied standard screws are silver.
6–22 361288-003 Service Reference Guide, dc7100