Transcend Pendrive Problem

I got a transcend JetFlash V30 8 GB pendrive. Suddenly when i plugged it in, it showed capacity as 8mb. then i tried to open it and it asked me format it.
When i formatted it, it gave an error saying formatting cannot be completed.
I used HP flash drive format too also and same error happens.
I used command prompt to do this and it said run this utility in elevated permission.
I tried disk management and it again gave same error and listed my pendrive as 8mb RAW space.
Please help
I also tried transcend jetflash online recovery. When i ran it the program is running in back ground but no window opens and i ran it as admin and compatibility and same error occors.
http://www.transcendusa.com/products/online_recovery.asp

PLEASE HELP!!
Answer #1
One thing you could try is to open the command prompt as admin, type diskpart, type list disk, you’ll be given a list of disks labeled with a number (disk 1, 2, etc), figure out which one is yours, type select disk and whatever the usbs disk number is, type clean all. After a while the USB drive should show as having its entire space as unallocated and from there youll hopefully be able to format.
Answer #2
im not good at doing commands in dos.
So can u please give a step by step instruction with the commands in proper case.
Answer #3
http://www.sevenforums.com/tutorials/52129-disk-clean-clean-all-diskpart-command.html
Answer #4
Thanks for the help man.
But after i did clean all, it shows my drive as a 8 mb unallocated space.
Still no solution to this problem
Is my flash drive busted for good?
Answer #5
It could be broken pen drive, rogue, go to service center and have it check out.
Answer #6
ok then
Is there any other possible solutions?
Answer #7
hmmm. Try paragon partition manager to check if there is unallocated space on the USB.