Sound not working after update to Sequoia (SOLVED)

madvinegar

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Jun 2, 2020
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Hello to you all.
I updated my system to Sequoia yesterday (info of my system can be seen in my signature).
All is working ok, apart from:

1. Native Intel Wifi. I have the intel i211 which was working ok with Sonoma. For Sequoia I had to use itwlm + helliport to make it work. (and it only works stable with 2.4ghz bands).
2. Blue tooth. It is not working at all.
3. Sound. I have the Realtek ALC 1220. It used to work with Sonoma with the boot arg "alcid=1". Now unfortunately it is not even recognized in hackintool. I tried various other id numbers for alcid but no luck. Fyi, I updated to AppleALC v1.9.1

I suspect that the first two problems (wifi anf BT) will be fixed when an updated airportwlm kext is issued.

But what about the sound? Any solutions?
Many thanks!
 

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Last edited:
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Have a read of this post about WiFi & BT fixes.

 
AppleALC can be loaded, but there is no available layout ID. Currently, you can use VoodooHDA to drive the sound card. For details, please see my post. I hope it will be helpful to you.
 
Good news. I have managed to fix sound by installing VoodooHDA and disabling AppleALC.
Followed the instructions of @Max.1974

Now everything -soundwise- is working. Please see the screenshot.

Many thanks to you all !
 

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@madvinegar congratulations !!

@genny I update instructions to method more easy. Both still useful.

;)
 
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Good news. I have managed to fix sound by installing VoodooHDA and disabling AppleALC.
Followed the instructions of @Max.1974

Now everything -soundwise- is working. Please see the screenshot.

Many thanks to you all !
where download VoodooHDA kext for opencore ? thank
 
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Maybe you should try use Clover with parameter fix hda
Sorry for not working on amd
Try alternatives number of codecs

alcid=x and try remove or change device properties too.

If you want, please attach your EFI

Or check device type number

GitHub similar mobo


IMG_9030.pngIMG_9031.png
 
Last edited:
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ok i realize it does not work for all config
 
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Unless I am wrong for those of us with AMD and possibly just X570? VoodooHDA is our only option for audio? AppleALC no longer works?
Who can we report this too to get it worked on?


Sent from my iPhone using Tapatalk
 
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For ALCS1220A use layout 15. It's not listed on the Wiki but @CaseySJ added it :) Use latest version for Sequoia and it'll work.
 
Unfortunately using layout 15 on my board did not work.
I have ALC1220.
Hackintool kinda shows my devices but macOS does not.
 

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