program viewing on computer, sound but no picture

My computer, under settings, has a setting to automatically mute audio on videos. Done mainly for those many video ads.

Have you checked for that problem?  All videos do have a audio icon to change and the choice to mute or unmute is found there.

Hey there @user_6e5b34! Have you attempted to clear the cache and cookies from your Chrome internet browser? Did you attempt to duplicate the same error with another web browser such as Firefox or Safari?