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No audio output. When going into audio settings, the internal speakers as well as the built in microphone do not show. The volume keys do not work. Connecting Bluetooth headphones works. It is not a hardware issue as I’ve run a hardware diagnostic.
Earlier Mac models
Have you done a PRAM reset, CMD+Option+p+r...
Reset NVRAM on your Mac - Apple Support
In fact, do 3 in a row, takes a bit of time.
Intel-based Macs: Resetting the System Management Controller (SMC)...
Reset the SMC of your Mac - Apple Support
Have you done a PRAM reset, CMD+Option+p+r...
Reset NVRAM on your Mac - Apple Support
In fact, do 3 in a row, takes a bit of time.
Intel-based Macs: Resetting the System Management Controller (SMC)...
Reset the SMC of your Mac - Apple Support
Something similar is happening with me. My in-built mic is not working. So I tried NVRAM reset multiple times. It didn't work. I started up in safe mode and inside the safe mode, neither audio output nor input devices were listed in the sound section.
In the normal mode, both input and output are visible in the sound section, but input mic does not seem to be working.
This is from safe mode:
This is from normal mode:
To find out if it's system wide or user specific, try this...
Open System Preferences>Users & Groups, unlock the lock, click on the little plus icon, make a new admin account, log out & into the new account.
Does it work in the new account?
Yes! Thank you. That fixed it.
Great news my friend! :)
It's not working in the new account as well.
Then WE either have a corrupted OS Install or a Hardware failure it would seem.
Internal speakers and microphone not showing
