7. Replace the retaining ring on the mouse and align it with the open slots in the ballcavity.8. Turn the retaining ring clockwise until the open slots are covered and you hear thering snap into place.Using the 3.5-Inch Diskette DriveThe system unit has a 1.44 MB diskette drive installed vertically in the front.The 1.44 MB diskette drive can format, read, and write diskettes compatible with thefollowing diskette drives:v 1.0 MB diskettes with 720 KB formatted data capacityv 2.0 MB diskettes with 1.44 MB formatted data capacity (HD)Format the diskette according to its specified capacity.12 User’s Guide
