Solution to get back original memory for my Toshiba 8gb pendrive ?

my Toshiba 8gb transmemory pendrive suddenly shrinks to 4mb is there any solution related to this!
am waiting for your solution thanks in advance !

 

the problem is tht ur pendrive has some space which are unallocated
try this--
download hp usb disk format tool and format ur pendrive or do wtever u seem can help u
download link--- click it
note use fat32 for format

or try this solution--
click me

 

tq for the solution hope it would be success thank a lot !

 

you have to do low level format.. just uncheck quick format and format it..it'll take sometime..if it didn't helped let me know..i will help you..

 

sure it's night and I would check out your solution the next day good night buddy! thank u bro

 

your pendrive has made several partitions in itself .. so you download a utility like easeus partition manager and there you can see the partitions of your pen drive from there you can add all the partitions together and you will get 8 gb all the best !