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!SOLVED! Big SUR - Realtek ALC3234 - No Sound On Dell Optiplex 3060 - Chipset H370

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Hey All,


Does anyone know how I can get the audio work on my Dell Optiplex 3060. Realtek ALC3234 . Intel H370 Chipset. Big Sur 11.7.3


I had the audio working perfectly on Catalina via Clover but I can't figure out how to accomplish the same thing on Big Sur,


I have attached my Clover EFI folder from Catlina (old EFI)


I have also attached my New Big Sur OpenCore EFI (new EFI)


If anyone could have a look it would be amazingly appreciated.


Kindest Regards,



New EFI.zip Old EFI.zip

Someone did reply but is has disappeared now?!? I have tried all the different numbers for my ALC3234 (alcid=11) in the boot args...I've added AudioDXE.efi...Ive tried blocking com.apple.AppleHPET which was advice from another thread and I have no idea what anyone means by adding in SSDT-HPET.aml....HOw do I make/generate this?


PLEASEEEE HELP!! I've waste hours on hours trying to fix this.


Ive attached my current EFI folder.


Thanks in advance. :-)




Posted (edited)



Thank you Rocky12.


Added the SSDT-HPET.aml


followed the fix on reddit below.


If you have a Dell Optiplex 3060 it is port 11 for alcid, make sure you have AudioDXE.efi installed too.


Ive attached my working EFI folder for anyone needing it.





Edited by tazsummers
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