MY Passport 1 TB became RAW

I purchase 1 TB from 3 years ago , and i used it as backup Hard Disk , month a go i used it with LED monitor which contains USB port to View some files such as Movies & Photos after i disconnected my passport and reused it with my laptop the hard disk became RAW now i am worry to lose my Data .
unfortunately i tried to format it but i couldn’t :frowning:

Hello,

Chances are that your file system has become corrupted.
Normally this occurs when the drive is not safely ejected and just yanked from the USB port.

http://support.wdc.com/knowledgebase/answer.aspx?ID=1331