Unless the monitor has a built-in speaker or an audio port ... Then right-click on the computer name and select scan for hardware changes. This will ensure that the HDMI audio device appears ...

If you go this route, look for a switch that lets you plug in up to four devices on one HDMI port. While two HDMI inputs are better than one, having only two connections puts you in the same boat ...

but the TV may have only one HDMI input. In this case, a three-port HDMI switch is used with three inputs for source components and one HDMI output to the TV. When multiple TVs are used ...

Case in point: eARC HDMI ports. They're something you'll see on the back of most modern TVs, as well as a number of speakers and receivers. But what do they handle, exactly? And is there any ...