I've got a Dell Inspiron 1505 that suddenly won't start Windows XP. I get the Dell boot screen then it just goes blank (but is still back-lit). I can't do anything with it. I ran a diagnostics one-time boot (full) and it said everything was fine. I tried starting in safe mode and nothing happened. I tried to re-install Windows XP (which only started with a CD one time boot) and it got so far as "hit any key to start install" and after I hit a key it just went blank again. What is going on?