hi rinzyyy and welcome to sevenforums,
i'm afraid i'm not going to be much help, except to say that i had a similar problem on my laptop with intel 945gm graphics. i think intel haven't finalised their windows 7
drivers yet, which is a real pita, as the xp
drivers offer more functions and features.
i was at my friend's house telling him how wonderful my new os was, when he asked me if i could plug my laptop into his tv. he had a spare s-video input and lead, so i said sure, no problem.
windows 7 couldn't do it.
luckily my laptop still dual-boots xp, so a quick reboot did the trick...
let's hope intel sort this out!