How to Fix Upgrading from HighSierra to Catalina, no disk to install
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
- Boot with
-v keepsyms=1 debug=0x100to identify the exact kernel panic. - Validate your config.plist using ocvalidate.
- 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:
I followed the guide from the link below using UniBeast to create an external USB.
UniBeast: Install macOS Catalina on Any Supported Intel-based PC
After booting with USB, I got to the recovery console, and from there, I selected to upgrade MacOS to Catalina. Unfortunately, only the external USB was available (locked) and not my High Sierra SSD. My SSD has the HFS file system and I read that Catalina needs the APFS file system.
So, the question is, if the file system prevents me to...
Read more
UniBeast: Install macOS Catalina on Any Supported Intel-based PC
After booting with USB, I got to the recovery console, and from there, I selected to upgrade MacOS to Catalina. Unfortunately, only the external USB was available (locked) and not my High Sierra SSD. My SSD has the HFS file system and I read that Catalina needs the APFS file system.
So, the question is, if the file system prevents me to...
Read more
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