Hi I am experiencing some high pitched whining sounds coming from the speakers (I use the onboard audio) only when I play games or when the computer is on high load, especially the video card. The whining sounds comes only from the sound card and not from the inside of the computer case or PSU (I have listening carefully the PSU/case insides while gaming and there aren't noises) Is there a method to reduce the noise? I have read that is because of EMI interferences but I can't solve it. The motherboard is a GA-MA74GM-S2H The video card is a Gigabyte Geforce 9500 GT. Many thanks.