After connecting your computer to your TV via an HDMI cable, if you are not getting sound output from your TV in some particular applications, check the Volume Mixer settings.

The connection is the same shape as HDMI 2.0 and 2.1, so if you buy an HDMI 2.2-compatible TV, you can still use your old cables (though you will miss out on the new features that come with HDMI 2.2).

For example, an older 1080p60Hz TV receiving information from an HDMI 2.1 cable will still display images at 1080p60Hz, and a 4K60Hz TV will display 4K60Hz. The opposite is not true, however.

The HDCP error (H1001) typically occurs when your television, streaming device, or HDMI cable fails to properly communicate ...