then if you dont have HD Audio Manager you wanna get one from here:http://www.realtek.com.tw/downloads/downloadsCheck.aspx?Langid=1&PNid=24&PFid=24&Level=4&Conn=3&DownTypeID=3&GetDown=false#High Definition Audio Codecs and another think you wanna right click on speaker icon in Windows Taskbar select Recording and try your microphone did you see any movement on the right side of Recording tab.