centris problem the problem is this after starting up my machine it gives a high pitched sound once at the desktop also it only does it when the mouse is up or a menu is not showing as if i click the mouse the noise goes away for the amount of time the mouse is down also this problem only happens for about minutes please let me know if you know what this is it sounds like it is coming form the power supply please post here and email me tjacobs bvsd co edu thanks
