I have a HP w2448hc monitor. This has speakers but only fed through the green connector. The audio worked fine until the graphics card died and I installed a XFX Rx570 graphics card which appears to have a HDMI audio channel. Reasonable except that there is nothing to receive the audio. I have gone to audio devices and device manager and tried disabling the HDMI or high definition device but then audio just shows as disabled. Obviously somewhere around is the original audio channel but the setup only shows HDMI or nothing.