MSI Board Cant Upgrade to Monterey

liveig105

New member
AMD OS X Member
Jan 6, 2022
1
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CPU:
Ryzen 5 5600x
So i successufully install Big Sur 11.6.2 with opencore 0.7.6, but when i update to Monterey I always got stuck at forbidden sign (previous error is Lilu dev: @ found dead pci device GFX0)

My system:
CPU : 5600x
Mobo : MSI B550 a-pro latest bios
VGA : radeon 5600xt

Already make USB Map for my motherboard

And I attach my EFI, thak you

 

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It's not going to work I'm afraid. Some MSI boards can use an older BIOS to get Monterey working but as you've got a 5000 series CPU that's not an option.
 
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Yes its very disappointing that all of us who purchased MSI got the s@!t end of the stick. I was able to downgrade my bios but will never have the option for a newer gen cpu, buying a different mobo is not acceptable. I hope there will be a fix, I wonder if anyone knows why MSI boards are the culprit?
 
I recommend you to switch to Asus or Gigabyte motherboard. I had X570A-PRO and just bought X570 Aorus master. Much faster boot time and much more helpful info / ready EFI folders to download from internet.

MSI stinks.
 
I've heard that Russian hackers have modified the original BIOS to install Monterey properly

Do you have a link to this source?
 
Downgrading Bios to v12 Version wrked for me after spending 2 days trying to boot into monterey. Now everything works well so far.
Msi b550 Gaming plus, ryzen 5 3600, msi rx 6600xt gaming x.

What works
Bluetooth
Netflix
Lan
Sleep

Geekbench shows typical scores
I like!

No wifi onboard
 
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