HP Vectra VEi8 Supplementary Manual page 18

Replacing the Floppy Drive
5 Undo the three screws on the sides of the drive tray and remove the
old floppy drive.
6 Slide the new floppy drive into the drive tray (with the correct
orientation) and tighten the screws.
7 Replace the drive tray and tighten the three retaining screws.
8 Attach the connectors to the new floppy drive and the hard disk
drive.
9 Replace the cover (described in this chapter).