You connected your new gaming PC to a monitor and got video, but you can't hear any game audio. In such cases, it might be ...

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 ...

These days, if you need to connect two devices via wire, you'll most likely use HDMI. This display protocol supports all sorts of device pairings. It lets you use your iPhone with an external display, ...