I have 2 computers, both have Ubuntu 18.04. When I select the "settings" icon, neither had an HDMI option in the sound settings until I just looked recently and this computer now has an HDMI selection and the other computer doesn't. The other computer had 14.04 and there was the HDMI option in that sound setting too, but I just installed 18.04 on the other and took all the updates and there is no HDMI option. How does that happen and how do I change it? Thanks
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