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AMD_Gigabyte B550 Ryzen 9 5900x white screen problem


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After installing MacOS Monterey 12.0.1 i noticed that the keyboard was not working with my second monitor. Then i saw that the graphic card did not support kexts. So i tried to instal macOS Monterey 12.0.1 again but after booting the screen turns white and there is no work

Motherboard=B550 AC

Processor= AMD Ryzen 9 5900x 12 Core 

GPU= RX6600 8gb

RAM=32gb 3200HMz



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11 minutes ago, fabiosun said:


As I said you before 🙂

your GPU (if also a normal rx 6600 has support in OSX like rx6600 XT), its support is present from OSX Monterey 12.1 not with OSX you shown here (12.01)


Thank ur reply

how can i got this OS.

attach one video EFI r booting but white screen standby 

how to solved this problem sir

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40 minutes ago, fabiosun said:

is it 12.1 installation?


no sir is not 12.1 installation

this macOS Monterey 12.0.1 Version. First time this installation work is good. not show problem. but 2nd time ill try again installation than show this problem but same EFI, same pc configuration.

where can i download 12.1 from which link can be collaborated...  

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