Hey i just got done reinstalling xp cause i had the .worm or whatever it was and like when i turn up the volume half way it makes a loud whistle noise and like then the computer screen has these lines and the like vibrate. Does anybody know whats goin on? I dont know if it is the sound card or not. My sound card is a audigy 2 zs. Also when i plug in the black and orange in the sound card the make a loud sound too untill i plug them in all the way.