How To Reset Sound On Mac. On your Mac choose Apple menu System Preferences click Sound then click Output. This can be done by opening the Terminal utility and running the following command.
To fix the MacBook audio not working issue you can consider restarting its Sound Controller. Turn off your Mac Apple menu shut down Press and hold down the power button on your device. The restarted coreaudio daemon may pick an audio device which it finds first no idea how the audio device is selected in that case but you can reset to the wanted audio device by System Preferences - Sound settings.
Toggle dictation to On.
Select Keyboard from the me. Drag the Balance. In these cases you can manually reset the audio daemon by simply forcing it to quit. MacOS Mac OS X.
