MEGX570-3900x stuck with OC menu "Macintosh HD" after Monterey upgrade

kkakkaa

New member
AMD OS X Member
Joined
Oct 28, 2021
Messages
3
I have upgrade the latest AMD patch, set the 3 value (12 core = 0C), disabled Secreboot in config.plist and TPM in bios.
My oc version is 0.7.4.
I can still enter the old system(big sur) but not the monterey. I change debug mode, and this is the output, finally a white prohibition sign appeared at the center of screen



here is my EFI file
 

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  • EFI 2.zip
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Last edited:

p2mmao

Member
AMD OS X Member
Joined
Jul 2, 2021
Messages
43
some one said my MSI B550M MORTAR WiFi aslo need to downgrade to the eariliest BIOS to install Monterey 12.0.1, but I didn't. I use the BIOS released in this July, suceessfully upgraded from BigSur 11.6 to 12.0.1. Now the problem is WIFI, Bluetooth and network card can not be recognized, I bought a 650M USB network card worth $5 on Taobao, I can access the Internet, in addition, when using a USB flash drive (OC0.7.05) to boot, I need to repeat the boot several times to enter the lock screen screens, but this process is automatic and takes 2-3 minutes, during this time, I can do other things. I don't know if these problems are related to the BIOS version
 
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