I can't figure out how to format my Hard drive

DM725

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Sep 7, 2009
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I have windows 7 installed on 2 separate hard drives. I'm trying to format the other hard drive to whipe it out and when i go to my computer and right click on the hard drive and format it says error. When I righy click on My Computer manage, and try to format it through disk management it says error.

Then I downloaded the Wester Digital Data Lifeguard Diagnostics and ran the quick test and it passed, then I tried writing Zero's to it and it said error continue and everytime i clicked continue a new error popped up. I'm baffled...

The Hard Drive is a 3000hlfs300 gb Wester Digital Veliciraptor.
 
Very strange, can you browse the drive in explorer, also, have you run a chkdsk on it from within windows to check for errors, it could be an issue because there is a Windows Installation on the HDD, Have you tried formating it from the recovery console using win 7 dvd