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You can use OCAT, Opencore Auxiliary Tool. There is a guide by trs96. Or ESP mounter Pro.app.

Try this, this EFI was created by using ocat database for kaby_lake cpu, and added USBToolBox.kext and UTBmap.kext from ur EFI. Good Luck! Opencore 0.8.9.

Noticed the followings; Item 8; BundlePath and ExecutablePath are added together and ExecutablePath is missing. Kexts in "RED" needs to be updated to the current OC. May be those are causing the panics because OC and Kexts are not the same versions?

Looke at your config.plist and noticed this; Lil.kext needs to be loaded first in Kernal. Also suggest using oc validate to compare your config.plist against sample one that comes with opencore, ocvalidate is located in utility folder. Additionally I try to install os x using minimum kexts...

Monterey 12.6.1, OC 0.8.5

I would suggest 1) ocvalidating your config.plist then correcting any discrepancies, 2) searching this site for "Asus Prime Z390" then comparing your EFI to others then determine what drivers and kext files you need or don't need. Reboot the system each time you make a change thus you will know...

Update Okay.

@branik, I used your EFI file from the post #14, ocvalidated using ocat, found 52 errors, corrected them and put it on my Catalina USB, adjusted config.plist using ProperTree. I removed the SS #, board Id, etc.. I used iMac20,2 since I have i7-10700K cpu. OC is 0.8.2. It booted without any issue...

No problems, OC 0.7.9.

Attached is my old GA Z270x Ultra Gaming EFI. It is updated to OC 0.7.9. I used WD M.2 instead. Welcome to use it. No Guarantee though. Good luck!

How about this:gibMacOS

Have you tried :

Edhawk has written an excellent article about SSDTTime/acpi folder. Also I suggest this. Good luck.

Here is a great instruction on how to map USB by UtterDisbelief;

@raintoad; When I try to install additional OS x, I remove the one that OS x is already installed. Then install the new/different OS x on another NVME or SATA drive to make sure it installs completely and everything functions normal. In this case, I would suggest removing the NVME from the MB...

Thank you for correcting the info. :thumbup:

Try this config.plist. I changed SMBios to iMac13,2 per this guide based on the CPU. I changed the data value in "csr-active-config" to default value from what you had per this. Suggestion; please remove serial number, etc. from your config.plist when you upload. Good luck.

Glad it worked. After reading here - tonymacx86 that "Lilu.kext" must be the first one in Kernel -> Add part of the config.plist to avoid the black screen during boot, so I moved it manually. Also I removed efi files from "Tools" folder to make it lighter. fyi. :thumbup:

@radu.truica; I am no expert however, I changed some of your setting and updated to OC0.7.8. Please remove "2" from EFI name before copying. Good luck!

Once I clicked the "Post reply" my mind switched into search mode and found this in, OpenCore Install Guide: so all is good. Thank you again.