hello there, I have 500 GB my passport ultra hard disk it is 7 month old i stored many data one time i put on my pc on the table and it it break when contact to the earth how to maintan it?
I'm sorry to hear about your WD Passport Ultra!
Unfortunately, if you've dropped it, as the community already mentioned you've probably damaged a component inside the drive.
This makes it impossible to maintain it by yourself.
I'd suggest to contact our tech support either by email or phone for further assistance: http://support.wdc.com/contact/contact.asp?lang=en
By "contact to earth" I guess you mean it landed on the floor - right?
Unfortunately that will have permanently damaged it since the moving parts of a hard drive (the platters and the read/write heads) are very delicate.
It cannot be fixed. You should always use at least two hard drives to store your data on so that you always have a backup if one of them fails or gets broken.