I downloaded the backtrack 3 final and burned a bootable dvd using nero on my windows xp machine, inserted the disc into my hp laptop to boot from, and the my system hangs on a black screen with a flashing "_" (underscore)...im not sure if its trying to load the distro or if its not working at all...when i booted back into vista in the laptop and checked the contents of the dvd it didn't see any files on it but it did see that almost 700mb were used on it