My pc speakers seem to have an echo in them.? hp pavilion 533w, old but gold, echo makes for very difficult under standing, need i think to make bass or treble adjustments , tried to and there is an adjustment , but want let me adjust, also, it could be a feature i need to change on the pc , please help , about to go nuts thanks joe

It is an effect for the sound card, Realtek ALC202A called 3D stereo enhancement. It must be turned on. I'm not sure exactly how to get to that setting.