If you are having an issue with the sound not working on your Mac or MacBook, this guide is designed to help you find out what is wrong with your device and get the sound working again. If the sound ...
Which model of MacBook do you have? Which OS are you running? Several years ago, I had this problem with an iMac (Mid-2007) after updating to Yosemite. Every reboot, and sometimes waking from sleep, ...