when i turn on my AVR my system unit automatically turn on even i didn't push the power button of my system unit, sometimes i cant hear a beep and a display in my monitor but still the fans are still turning on. There's an instances that my PC work properly but after a few minutes all programs that i using will suddenly stop specially when I'm listening music using windows media player.. and I'm trying to push the restart button but i can't hear a beep and has no display in the monitor.. I'm using a asrock mother board w/ 3.06 ghz and a 300 w power supply.. what should i do..? please help me..