NVRAM/PRAM is a small amount of memory for Mac to store certain settings. Your Mac sound may have issues with settings restored in NVRAM or PRAM. Click Quit to stop the process and fix Mac sound issue. Find and locate ' coreaudiod' in the list. To manage and control sound, you should navigate to Activity Monitor. To use Activity Monitor, you can use Finder or Spotlight to find it on Mac. You can use it to monitor your Mac activity and performance.

Restart Sound ControllerĪctivity Monitor shows the processes that are running on your Mac. Follow the prompts as it suggested, you can solve sound not working on Mac. Open Terminal and type killall coreaudiod, then press return key button. If you have problems with Mac sound fault, you can try this tip to reset the audio using Terminal. Core Audio is the digital audio infrastructure for iOS and OS X. Reset and restart Core AudioĪnother common tip for Mac or MacBook volume not working is to reset Core Audio.

Besides, you need to keep the cables from the USB, FireWire, Thunderbolt, audio ports disconnected from your Mac/MacBook Pro/MacBook Air.Ĭhoose the app you want to delete and click 'Clean' button to uninstall the app on Mac. This requires you to disconnect all external devices, earphones, headphones or external speakers from your computer. If you still can't hear any sound after updating the macOS, you should check the sound settings. > Update to download and install the latest macOS on your Mac. You can check and install the newest macOS by following the steps below. The first thing you need to do is to check if you have installed the latest macOS. Run the latest macOSĪpple will release a new version of macOS periodically, including some app updates and security updates. Then, you can play and enjoy media with sound on any websites. Note: If you want to unmute sound in Safari on your Mac, you can open Safari and click Audio button > Auto-Play. You should try other sound resources like iTunes or QuickTime Player. That is because the sound is muted in Safari by default. For example, you can't hear any sound if you play the music in Safari. You may choose the wrong app playing music or movies.

Or you can press Volume up (F12) key button on the top of the keyboard to turn up the volume. To adjust the volume, you can click the Volume control in the menu bar, and drag the volume slide to turn up the volume. At that time, you should turn the volume up a little bit. If your Mac sound volume is set on mute mode, obviously the audio output will not work and any sound will not play on your Mac. Play something to check if the sound gets back on your Mac.

No audio from macbook pro