By now, you have tried to adjust volume controls, unplugged and replugged speakers, and tried to play media on a different device, but nothing seems to work. It doesn’t matter what video or app you pull up you get nothing. In this case, you get no sound at all from the speakers that you were using before the upgrade. This is for those of you who gladly upgraded but then found that your audio had cut out completely.
Let’s go through the most common MacOS Big Sur audio problems and show you how a little tinkering with settings can typically set things right. If you have been particularly bugged by sound problems ever since upgrading to the latest version of MacOS, this is the place to be.