Dell OptiPlex GX50 Systems Service Manual page 47

3. If the replacement drive does not have the bracket rails attached, remove the rails from the old drive by removing the
two screws that secure each rail to the drive.
Drive Brackets Rails
Small Desktop Computer
1. Remove the plastic shroud covering the hard drive by pressing in on the indented tab at the top of the shroud and
lifting the shroud away.
Removing the Shroud—Small Desktop Computer