There are times when you notice that your pen drives become unusable by getting corrupt. Sadly there are many reasons that are accountable for this upset, such as unsuccessful changes in file system, severe virus-infection and improper use of pen drive (abrupt removal) are few to name.
Well you need not to be much bothered about it. Since it’s possible to fix this issue and convert your unusable flash drive into usable by formatting it. If it was not damaged physically, however you can even run an anti-virus to solve the issue. But formatting will prove handy in this sort of troublesome as it restores file system to default settings and erase of the data from pen drive including virus program. After which you can make use of pen drive to store, copy and move your important data.