If an ExacqVision Z-series server (C2SBC-Q Mobo) does not discover audio devices such as speakers and headphones, install the latest Realtek drivers from the following location: https://www.realtek.com/en/component/zoo/category/pc-audio-codecs-high-definition-audio-codecs-software Download Vista, Windows7 Driver (32/64bits) Driver only and follow the on-screen installation instructions. <br>