How to recover USB Flash Drive

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Hi to all .. this is not a programming code problem and i hope you will help me through this ..

I can't access my USB Flash Drive.
When i plugged it, a window prompts "You need to format the disk in drive E: before you can use it" then i click on format and another window appears "Windows can't format E Check to see that the disk and drive .........". I've tried to change its drive letter using device manager and my USB drive appears there but no capacity displayed. I've tried also recovering it using Command Prompt and it has no effect.

Please help me about this problem.. thank you all!!

Posted 10-Feb-14 22:39pm

Romeland C. dela Peña

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Kornfeld Eliyahu Peter 11-Feb-14 4:47am

It seems that Windows think it is a new/unusable USB. Where that USB was before? Maybe it was formatted to some strange format (for Windows) by some *nix?

Romeland C. dela Peña 11-Feb-14 20:08pm

I've tried this to make a bootable one with windows 7 x64 and after that I reformat it because i am planning to change it to windows 7x86 .. and suddenly after i reformat it .. this problem occurs ..

Kornfeld Eliyahu Peter 12-Feb-14 2:10am

There is no difference between disk formats of 64 and 32 bit machines!!! Even different operating systems read formats of others! If you Windows prompts you with 'You need to format...' it means that it sees the disk as unformatted. If you think it's formatted you should see into it in some other OS. If not - format it!!!

Romeland C. dela Peña 12-Feb-14 4:10am

That's my problem now .. I can't format it because when I inserted my flash drive to my USB port a window prompts "You need to format the disk in drive F: before you can use it" and then i click Format disk button then another window appears and says "Windows can't format F Check to see that the disk and drive are connected properly, make sure that the disk is not read-only, and then try again."

Have you encountered this kind of problem with your flash drive?

I don't know what to do .. I think my flash drive is dead.

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OriginalGriff · Answer 1 · 2014-02-10T22:49:00

If in doubt, the first thing to do is nothing.

Then, google the error message, and read a reasonable number of the hits: Google[^]
They will give you suggestions - don't do any of them until you have read a couple and got a good idea of why this might have occurred and what the effects of each suggestion might be - if you do the wrong thing too early, the chances are you will make the likelihood of data recovery lower, not higher, by overwriting your existing data. If you find suggestions that fit what happened prior to the problem being detected, then all the better.