This may seem too simple, but sometimes the obvious is the most overlooked. Make sure the volume on your Mac is turned up and not muted.
Sometimes, your Mac may have switched to an output device you didn't expect (such as external speakers or headphones).
Individual apps on Mac can also set their volume settings. Make sure the app's sound settings are correct. If you hear sound elsewhere but not within a specific app, check the sound settings for the app itself.
Often simple problems can be solved by simply restarting the system. If the problem persists, it's time to dig deeper.
Parameter RAM (PRAM) or Non-Volatile RAM (NVRAM) is a small portion of computer memory used to store certain settings in Locations that macOS can quickly access. Audio issues sometimes occur due to issues with these settings.
If the PRAM/NVRAM reset is unsuccessful, you can try to reset the SMC. This will control various hardware settings on your Mac.
Updating your Mac may also solve your problem. Apple frequently releases software updates that fix potential problems with its systems.
Start your Mac in Safe Mode to check whether the problem is caused by a cached data issue or a problematic application.
Test the sound in safe mode. If it works, the problem may be due to a software conflict. Follow these steps: Restart your Mac to exit Safe Mode and find and uninstall recently installed apps.
If none of the above measures work, then you may be facing a more serious hardware problem that requires professional repair. If you need professional help, contact Apple Support or visit an Apple Store.
Remember, if you are not a trained professional, do not open your Mac yourself as it may void your warranty and possibly cause more damage. Advanced hardware repairs are best left to the professionals.
These steps below should resolve most audio issues you may encounter on your Mac. It's best to start with the basics before moving on to more advanced steps, as the solution may be simpler than you think. If the problem persists, feel free to seek professional help.
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