Mojave: In macOS 10.14.4, Apple improved the reliability of USB audio issues in the MacBook Air, MacBook Pro, and Mac mini.macOS 10.15.5 fixed a bug in the T2 chip wherein internal speakers in sound output devices may not appear in the preferences. Non-notarized apps were not allowed, meaning that any older audio plugin will no longer work.

Catalina: Every third-party audio plugin should get “notarized” by Apple.

Also, output audio devices vanished occasionally and only appeared upon restarting.

Big Sur: Major issues with the Bluetooth connectivity when trying to pair audio devices to Macs.

Go to System Preferences ->sound and change from HDMI to Headphone port. If you using HDMI external display with sound, some user thoughts HDMI sound devices no longer controllable on OSX

Create bootable OS Sierra USB drive. Install OS Sierra in your Mac internal hard drive using bootable USB drive. Run terminal and type sudo killall coreaudiodĬhanging the settings for internal speaker.īackup computer. Go to System Preferences-> sound and put the tick on “Show volume in menu bar” Then select the “Play Feedback when volume is changed” box. Go to System Preferences -> Sound and change the output device to Internal speakers. In OS Sierra, the sound output changes from default to installed HDMI display speakers. If you have any external device which is attached with speakers, Mac wants to make that output device. Restart your iMac, MacBook Air, Macbook Pro, or MacBook Pro with Retina Display. No audio in Safari, Firefox, and Chrome when playing videos after OS Sierra update.But speaker volume buttons on keyboard & Sound Output slider on System Preferences still works.

Audio settings already set on internal speakers but no sound in Safari, but works on everything else.Mac users get popping noise when playing video or audio.

The following are the examples of common Audio issues Mac users reported after upgrading to OS Sierra: Don’t worry the OS Sierra on sound feature is the new default setting, but it can be adjusted to have sound effects like on previous OS X versions. The OS Sierra audio not working is just one of the minor issues that Apple’s new OS X release has. The following will help you fix OS Sierra audio, volume and sound not working issues. Many Apple users have been complaining after upgrading to OS Sierra sound now working like no audio, audio control not working and audio noise. Mac OS Sierra: How To Fix Sound Not Working Problemįor those that have recently updated to Mac OS Sierra, you may want to know how to fix the volume not working problem.

No audio out put works on macbook pro