Hi AlexRen2,
Thank you for bringing this concern to us,
I am sad to hear that there where concerns encountered on the audio of the Monitor connected via HDMI on your computer. We apologize for the inconvenience.
Please let us work together to find a solution for this concern.
Bellow is a link where all the known troubleshooting steps for fixing audio concern relating to HDMI to monitor connection are provided, on the top is the best know answer. I understand that many steps are provided here however in most cases solution is found after doing some few troubleshooting steps here, but if you encounter any concern please let me know AlexRen2.
Fix Windows 10 HDMI Sound Not Working – 30 Different Solutions
https://www.windowstechit.com/4237/windows-10-h...
Please continue to have a safe and good day,
Sincerely,
Anthony De Jesus
Independent Advisor
Just a few reminder before we access the site: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.