Found an old Dell in the basement running WinXP. I want to completely wipe the HDD (all 19gb of it!) prior to donating/recycling it. Any suggestions? I was going to just delete all my files and use ccleaner but it won't install on that OS, seems to be lacking multiple DLL's. I did find DBAN but my current laptop doesn't have an optical drive to burn the iso and the old Dell's BIOS doesn't support bootable USB. Ideally I'd like an alternative to cclean which I could load via thumb drive into the WinXP environment and run...