Then select the device (be ABSOLUTELY SURE!), like right-click and choose FORMAT but NOT THE QUICK version but the full - - this will rewrite every sector and clear everything.
Well, I think I messed up but since its going to be recycled, I think I'll just be smart & remove the harddrive. Problem solved, thank you for your help.
@jobeard thanks, but as it turned out, neither the CD/DVD drive or USB drives worked properly so I somehow managed to do a system restore that did a weird restore Long story short, I removed harddrive anyhow.