The best course of action is to take it to Apple or an authorized professional.
Resetting the Sound Controller service can solve potential audio issues with your MacBook.If you have an Intel-based MacBook, manually resetting your NVRAM could fix the issue.Install the latest updates to remedy the problem. Out-of-date software could be causing sound issues on your MacBook Pro.You should check this to ensure your sound is not just turned off. Your output volume could be low or muted.If that doesn’t work, ensure the correct audio device is set on your Mac.To keep things simple, try restarting your Mac.
