Corrupted WD passport essential hard disk

Hello. In this case, the drive seems to be defective. I recommend to use Data LifeGuard Diagnostics to complete the an Extended Test on your drive.  The test will return an error code that will give you the status of your drive.  If the drive contains errors, it may be able to repair the drive for you.  You can click on the link provided below for instructions.

http://wdc.custhelp.com/app/answers/detail/a_id/940