This is the trouble shooting guide for floppies.If you have any problems in floppies do follow the instruction below.
Symptoms:Bad Sector/Read Error
Sr.No Causes Solutions of Bad Sector
1 Drive Head Contamination a.Clean the drive with head cleaning diskette
2 Drive alignment out b. Observe for any scratch in the disc as per the S No a
3 Head wearout c. If you are again getting bad sectors in other sectors in other diskettes also,then replace the floppy drive and check.