Click the 🔒 in the bottom right, and enter your system password.Ĭ. Go to the /Library/Audio/Plug-Ins/ folder, select the HAL folder therein, and open the info dialog (⌘+i)ī. You will likely have to enter your system password.)Ī. (this does the following: changes your current directory to your plugins folder, then acting as an admin ( su peruser: do ) r e m oves - R ecursively from within in the current folder (. If so, use one of the following processes:įROM TERMINAL cd /Library/Audio/Plug-Ins/HAL & sudo rm -R. *NOTE: You may find that the plugins are shielded from you/you do not have the rights to delete them. The easiest way to do so is to drop into your /Library/Audio/Plug-Ins/HAL folder and simply delete the contents * (these are plug-ins, not core operating files. Open Activity Monitor, find coreaudiod, and force-quit it.Ģ. You will likely have to enter your system password.) (this does the following: acting as an admin ( su peruser: do ) kill s all the processes named coreaudiod. They get unstable over time since the permissions allocation has changed with the Silicone Macs (I'm typing this from one now). BlackHole, BoomAudio, any number of chat apps, take your pick. This is almost certainly a conflict in audio plugins. It seems that this issue is pretty common and definitely requires Apple's attention! It happens to me several times a day and I can't find exact conditions that heads this issue to happen, I don't know what to do. I tried to boot into diagnostics and there were no related issues found.

I tried to boot in safe mode as it was suggested in this thread and many others: - doesn't help at all. Sometimes it helps, sometimes not, sometimes I have to run this command several times in a row to take effect but after some time issue comes again. I found a way how to restart audio services with: sudo killall coreaudiod

This happens with airpods pro and internal microphone as well. When I open Sound Preferences there are no input devices at all. I have to restart my computer every time I'm gonna use Zoom or Skype or anything else that uses microphone because software can't find any input and/or output device (input is more frequent).

No audio output on macbook pro