How do you completely wipe hdd without reinstalling windows?

[shinester184]

Selling on PC...but need a solution to completely wipe this HDD clean, ready for its new owner.

Thanks.

 

[shinester184]

This is what you want mate.

http://www.dban.org/

Cheers, that should do the trick! Means I don't have to move this HDD to another PC now.