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[Solved] How to make ALC221 work with Big Sur 11.1 on HP Elite 8300 MT

Joined
Oct 22, 2011
Messages
135
Motherboard
HP Elite 8300 MT
CPU
i5-3470
Graphics
RX 560
Mac
  1. MacBook Air
  2. MacBook Pro
Classic Mac
  1. Plus
Mobile Phone
  1. Android
  2. iOS
Help @trs96 ! I did a fresh install of 11.1 using without any issues, except I cannot get the ALC221 to work. I think I followed all the suggestions in the Troubleshooting section of the Guide, but still nothing. Anyone succeeded getting sound working on this machine. I am attaching my EFI folder.

Solution is here:

 
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