TechAndrew Posted January 29, 2022 Author Share Posted January 29, 2022 @Jake Lo Still gets frozen at the mbinit: done line, even after resetting NVRAM Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted January 29, 2022 Moderators Share Posted January 29, 2022 Check the BIOS, if it has created a boot option call OpenCore, delete it. Link to comment Share on other sites More sharing options...
TechAndrew Posted January 29, 2022 Author Share Posted January 29, 2022 @Jake Lo It didn’t create an “OpenCore” boot option. I also tried resetting the BIOS to defaults and reflashing, but no difference. Link to comment Share on other sites More sharing options...
TechAndrew Posted February 4, 2022 Author Share Posted February 4, 2022 Update: I replaced the DW1820A card in my laptop with the Intel AC-8260 card that came with the laptop along with the necessary Intel Wi-Fi/BT kexts and it is working fine. The DW1820A was previously working fine, even without disabling ASPM in my case... This all started right when I upgraded to Monterey 12.1, so I strongly urge those thinking about updating to 12.1 and above to make a backup. Link to comment Share on other sites More sharing options...
Administrators Hervé Posted February 5, 2022 Administrators Share Posted February 5, 2022 I've no issue booting and running Monterey 12.2 on my E7270 with the DW1820A and the usual device property injections. I use Clover though, not OpenCore. In your particular case, I think the issue comes from your OC config. I don't know what version you use but the OC devs keep changing things every month and I was recently led to believe that STRING value type is no longer supported and requires to be replaced by hexadecimal DATA value type. If it were indeed the case, it could explain why you were not able to inject the required properties and, as a result, the freeze during startup... But rest assured that, at the time of writing, there is no incompatibility between all existing Monterey versions and the DW1820A which remains 100% supported as per under previous macOS versions. Link to comment Share on other sites More sharing options...
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