i dunno if this will help, but jst wanna tell u bout my past experiences.
I used the svideo port from my gfx card, plugged in a converter to A/V coz my tv didnt support svideo took a little bit of work to get the tv to work, but when i did.... it was ugly...very ugly. i had to get my old...
i've had this problem before and its not pleasant:(
first, what's the o/s of your pc? if it's xp, then i would uninstall sp2 and see if it works, (thats wat happened to me) then reinstall it.
but if u got mce, then i dont know:x: