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Hello guys, I also have HP 840 G3 I installed Big Sur beta 11. I saw a video on youtube, the person used the same laptop. So I used his files and I did not change his files, because is same laptop. But now I can not get Intel Wifi and Bluetooth to work. I really do not understand the kexts files etcetera. Can somebody help me please?

External monitor audio is control from the monitor, not MacOS as are on real Mac computers.

@Baio77 Thanks!.