hi im having a problem with my display on my computer, the computer starts up normaly but when it goes to load the password screen the monitor comes up no signal and goes blank but i hear vista continue to load up. My hd tv is also connected via dvi to the graphics card and when i put the tv to the av channel windows comes up on it. i continue to load windows and then go to the nvidia control panel and go to set up multiple displays where my tv is shown as the primary display, when i click the dropdown menu my monitor is there but when click it as the primary display nothing happens i would be really gratefull if someone can help me out as its really doing my head in!