Dell OptiPlex GX1 Service Manual page 82

4-10
captive screw
front of computer
To remove the hard-disk drive, follow these steps:
When you reinstall the hard-disk drive assembly, be sure that the tabs on the
back of the mounting plate fully engage the notches on the chassis—before
you rotate the assembly into place.
hard-disk drive
mounting screws (4)
notches (2)
tabs (2)