<< Solved >> Dell Latitude e7470 Wi-Fi SSDT Not Injecting

[TonyTech]

Hello,
For some reason, an SSDT needed for my DW1820A Wi-Fi card is not injecting properly, with the error being “AE_ALREADY_EXISTS”. How can I get it to inject properly? OC’s Device Properties is not cooperating either.

 

[TonyTech]

Solved... replaced variables with unused ones

 

[revans]

Hi, I have same Wifi like you where on Big Sur working well, But on Monterey not working Anymore.
Could you helping me out by send your EFI folder here?