MacBook Speaker Issue Description You might experience an issue with your MacBook where its speakers suddenly stop working, if so–kindly follow the steps below. Instructions Boot to safe mode. Power off the laptop by holding the power button until it turns off. Press the power button once to turn it on and immediately hold down the Shift key. Keep holding the Shift key until the Apple logo appears. Release the key and let your Mac boot into Safe Mode. Restart the MacBook. Once in safe mode, press the Apple logo on the upper left corner of the screen and select restart. Login to your device and test.