To help with your question of "Why wont BT boot!" I'm going to say that your problem is in your BIOS. Make sure that your Boot Order is correct and try again.
Now, your very first comment is also something to note... You might want to check out this link http://www.backtrack-linux.org/forum...ad-thread.html
Homework for you: Check your BIOS, Read the New to Linux thread, Report back for debriefing



