In this way, it would be easier for you to identify the problem and fix it quickly. Part 5: How to Prevent The MacBook No Sound Issue?īefore I get into the details and start the troubleshooting guide, let's discuss some of the common reasons causing the MacBook no sound issue.Part 4: How to Fix Sound Not Working on MacBook Browsers?.Part 3: What to do if Sound is Not Playing in Videos?.Part 2: Mac Solutions to Fix Sound Not Working on MacBook.Part 1: Why Is Sound Not Working on Mac?.