no audio drivers macbook pro 9.2 2012 el capitan

13.3-inch (diagonal) LED-backlit glossy widescreen display with support for millions of colors.

If you do not hear the system sound then, you are on mute or your sound card is broken. Keep Holding until you have hear the 'startup sound twice'.

Lets try to load it manually using Terminal sudo kextload /System/Library/Extensions/AudioAUUC.kext/īased on new information I would suggest following (still trying to find out why your Audio is not loading in the profile.

You should have the Īs reported the result is: AudioAUUC.kext is not been loaded? Use any text editor to search for 'Audio' That will output a text file to your desktop. If found use terminal to reset the coreaudiod sudo killall coreaudiodĬopy/paste following in Terminal to find out if the audio drivers are loaded kextstat > ~/Desktop/kexts.txt Open Activity monitor and look for following: (use sort by 'Audio').

I would suggest to do following order of investigation (Fixes)

Something killed your coreaudio drivers, or the sound hardware/motherboard. My microphone and speaker both are working!! I just want to know, is there any problem in my hardware or in OS? If I buy a wireless headphone, should it work? Guys, I can hear sound through a application called PocketAudio. But, i couldn't find anything called AudioAUUCDriver. But, while loading this error are showing 1/24/15 8:29:57.000 PM kernel: Sound assertion in AppleHDACodecGeneric at line 1280ġ/24/15 8:29:57.000 PM kernel: Sound assertion in AppleHDACodecGeneric at line 1580ġ/24/15 8:29:57.000 PM kernel: Sound assertion in AppleHDACodecGeneric at line 1073Īs you can see is missing. However, I also tried to load and unload Apple High Definition Audio (HDA) AppleHDA.kext. It's showing an error: Software is not supported on my system. I was able to update SMC and not EFI Firmware. As you can see in the image No indicates, it's not loading.Īs suggested to Resetting the PRAM didn't worked. Yes, I found AudioAUUC.kext file in that folder. I got only this But, didn't found Īs Buscar suggested to check for AudioAUUC.kext file in my /System/Library/Extensions. I would like to knowĢ) Can you suggest any software, that can route my sound in iPad/iPhone.Īfter running this command : kextstat > ~/Desktop/kexts.txt I have tried couple of way to resolve the problem but nothing is working.

No audio drivers macbook pro 9.2 2012 el capitan