my screen broke on my Vaio notebook.. i have tried to directly plug in a monitor to the notebook but it starts up i hear the sony start up sound but get blank screen then the Windows XP OS shows on my screen with a loading bar underneath it then the screen goes blank. i am amble to type my password to long in and the computer starts but still blank screen. i have also tried with a KVM switch same thing happens. any ideas why the screen cuts out after the OS loads???