(To reproduce this symptom)
1, Turn on the VAIO.
2, Connect the USB FD drive PCGA-UFD5 to VAIO.
3, Open [My Computer] and display [3.5 Floppy (A)] icon, and press [Fn] + [Esc] at the same time to set suspend mode.
4, Remove USB FDD in suspend mode.
5, Press any key to resume.
6, [3.5 Floppy (A)] icon still remains in [My Computer].
Press [F5] key to refresh the window and [3.5 Floppy (A)] icon will be erased.