you can't without the cd
Your hard drive is assessable thru CMOS without a password
Use ErAce from erace.it
To completely erase the data on the hard drive.
Use ErAce from erace.it
It can erase your hard drive!They can delete your files.
You can use over write programm like ErAce form erace.it
An external hard drive can only be connected to a router with a USB port. Consider Asus routers for hooking up external drives.
The most conventional way is to get a giant magnet, and slide it across your hard drive atleast 7 times. WARNING: Only do this if you truly want to destroy/erase it.
Degausser
Impossible to guarantee total unrecoverable erasure. Destroy hard drive with a hammer - it's the only way.
dd if=/dev/zero of=/dev/hdxSubstitute the appropriate drive letter for x. Be very careful that you do not erase the wrong hard drive.
Erase the data of Rock Band on your hard drive.