Sorry Title should say horizontal flickering line Hi there folks have eventually had to register because i am at a loose end. Basically around a month ago i built my self a new rig ASUS P5K-VM 2.2 e4500 intel core 2 duo sapphire 2900xt 4gb of Corsair ram jeantech storm 700w psu samsung 500gb hd and dvd-rw and a Samsung Pebble SM2232BW The problem i am having is i have a horizontal flickering line in games its hard to describe or print screen but its a flicker none the less.Its much more noticeable in crysis and cod4 it is even there in 3d mark 06 !!! and i have tried the 7.12 drivers I have also tried a 8800gts 320meg version in my system it does it with that too i have also tried two different moniters all same results. I am running 64 bit vista ultimate (clean install tried as well) have also tried 32 bit xp pro same problem People of tech power up please help me !!!!!!!!