Once you reset the API, test your sound to make sure it’s working properly.Īlternatively, you can also delete the “Coreaudiod” process in Activity Monitor. Go to the Apple menu and choose “System Preferences -> Sound -> Output.”ģ. While the exact reason isn’t clear, sometimes Macs select the wrong output audio device when you install or plug in a new one.ġ. If you can’t hear anything after plugging in your headphones or connecting your computer to an external audio device, chances are you’ve uncovered one of the Mac’s most common audio bugs. Double-check to make sure those are not muted or whether you are playing a YouTube clip, making sure that clip isn’t muted as well. As audio plays in individual tabs, browsers often have indicators next to the website name on the tab that can be muted or unmuted. Checking out the sound control in these apps is a great place to start to make sure any audio issue isn’t something that is more likely hardware-related. This can be true in Safari, Chrome, Edge, Firefox, etc. For example, make sure your browser tab is not muted. One of the fastest ways to check for audio issues is to ensure there isn’t an issue in an individual app.