1)USB external floppy drives 2)Interface:USB 1.1 Type A; 2.0 ... to prevent wear we normally use, 1.44M floppy disks. The floppy disk is divided into a number of tracks, ... in the above, then the cleaning disk into the floppy drive, floppy disk drive to read the disk, try cleaning ... Clean the principles and procedures:(1) Remove the floppy disk drive, floppy drive cars head out;(2) Use a small screwdriver ...