Before we talk about the advanced level of troubleshooting, let’s get a few things straight. First, Make sure your HDMI cable is not at fault. You can try it with another computer or another TV.

This seems like a really obvious thing I am somehow missing... but how do you set a default audio device for output? I have like a million, because I have 3 monitors that all support audio passthrough ...

Many monitors support audio over HDMI, and they also come with a speaker or an audio port to connect to an external speaker. These speakers show up as HDMI Playback devices. However, if they don’t, ...