HP Compaq dx6050 MT Reference Manual page 124

Removal and Replacement Procedures— Slim Tower (ST) Chassis
When replacing the drive, transfer the four screws from the old drive to the new one. The screws
take the place of drive rails.
2. Position the guide screws on the drive into the J-slots in the drive bay 1. Then, slide the drive
towards the rear of the computer 2.
The drive release latch automatically locks in place when installing a drive.
7–18 319865-008 Service Reference Guide, d300, dx6050