Hi. (sorry for my english). One friend instaled win7 prof and volume icon show "headphones" after my driver installed volume icon show X and "no speakers or headphones are plugged in." I tryed to reinstall the driver and nothink. I installed another driver from realtek.com and nothink. I made any bios onboard audio enable, i dont know what i can do anymore. Please help me and again i'm sorry for my english.