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, ...
Practically every modern device connects to a screen via HDMI, but not every HDMI cable supports 4K resolution output. If you have a 4K TV or monitor, you'll need a cable with the right HDMI version ...
There is a possibility that an outdated and corrupted display adapter driver is causing the problem. You can download the display adapter driver from its manufacturer ...