How to Fix Can't boot into installer with OC configuration that used to work

How to Fix Can't boot into installer with OC configuration that used to work

This mini-guide provides a structural approach to troubleshoot and fix the issue.

Prerequisites

• Confirm your hardware specifications (CPU, GPU, Motherboard).
• Ensure you have a bootable recovery USB and backup your EFI.

Fix Steps

1. Boot with -v keepsyms=1 debug=0x100 to identify the exact kernel panic.
2. Validate your config.plist using ocvalidate.
3. Ensure your EFI matches the Dortania guide specifications for your CPU generation.

Verification

• Reboot and verify if the functionality is restored and stable under typical usage.

Original Question:

So I have this ThinkCentre M93p Tiny that I did successfully install Big Sur on like 2 years ago. I then installed another OS on this machine and saved the OC folder with the working configuration just in case. I am now trying to install it again. First I tried Monterey and changed the Type to iMac16,2. Since it did not show me a black screen after the verbose output, I thought trying the old Big Sur configuration that used to work and I got the same problem. Since I upgraded the CPU from an...

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Author: jclsn