As soon as it’s highlighted, click on the “X” icon at the top left of the Activity Monitor window, and it will automatically restart your Mac’s Core Audio process. Locate the search bar in the top right and type in “coreaudiod,” then click on it with your mouse or trackpad. Go to “Applications -> Utilities -> Activity Monitor,” and you will see a list of all of your running processes with a “% CPU” next to them. Related: How to Fix a MacBook that Won’t ChargeĪlternatively, you can also delete the “Coreaudiod” process in Activity Monitor. Once you reset the API, test your sound to make sure it’s working properly.
