hey u need to get the driver for ur sound card best way to solve the prb is to goto the control panel thing where u c that ? sign click on it and then install the device from there... or if its dell computer then u can goto to dell site and download the device driver for ur comp...u can check model type of ur comp by lookin at the logo in front of ur CPU... guess this should solve ur prb enjoy aagolagyo somewhere...:)