![]() The best course of action is to take it to Apple or an authorized professional. If all else fails, your MacBook could have a serious hardware problem. ![]() ![]() 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 Out-of-date software could be causing sound issues on your MacBook Pro.You should check this to ensure your sound is not just turned off.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. If there is no sound on your MacBook Pro, you might be wondering what to do first.Fix #5: Non-Volatile RAM Needs a Manual Reset (Intel MacBook Pro Only).Fix #4: Your Software Could Be Out-of-Date.Fix #3: Output Volume is Muted or Very Low.Fix #2: Incorrect Audio Device is Selected.
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