Then reboot your system. For Windows Vista TM: Set Speaker Configuration to Quadraphonic or Stereo. Click Device advanced settings, choose Make front and rear output devices playbacks two different audio streams simultaneously, and click ok. ASRock > M3AGM-LE Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Pre-installation Precautions Take note of the following precautions before you install motherboard components or change any motherboard settings. Before you install or remove[…]