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Latitude E6230: Big Sur 11.6.1 installation fails


Amaleic

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@Jake Lo, yes, of course, I did as the instructions said. Perhaps this is due to the fact that I am using an old version of the bootloader (r5128)?

 

UPD: Wow! Changing the SMBIOS version worked. Before that I tried loading with the -no_compat_check argument and it didn't give any results.

Can I downgrade the SMBIOS version after the first reboot during installation? And why change the SMBIOS version?

 

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I was able to complete the Big Sur 11.6.1 install and the Clover r5128 installer. But I can boot from SMBIOS 11.1 because the -no_compat_check argument doesn't work in my case.
Where did I go wrong?
also, the AR5BHB92 wireless adapter does not work. I tried to copy the IO80211family file to the kexts folder, with which the adapter in Catalina worked for me, but because of this, the system stopped loading.

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