How to Fix Booting off a cloned copy on USB
Boot failures are caused by firmware settings, incorrect OpenCore configuration, or USB mapping problems.
Quick Fix Steps
- Boot verbose: Add
-v keepsyms=1 debug=0x100. - Check firmware: Disable Secure Boot, Fast Boot, CFG Lock; set SATA to AHCI.
- Validate OpenCore: Run ocvalidate or ProperTree clean snapshot.
- Recreate installer: Fresh USB drive, different port.
Verification
- Verbose boot passes the previous stop.
- Installer sees the target disk.
Related Searches
Original Question: "Booting off a cloned copy on USB"
So I was able to get my hackintosh up and running. I'm not well-versed in EFI and all the technicalities, but I followed the steps outlined here: https://www.tonymacx86.com/threads/gigabyte-z490-vision-d-thunderbolt-3-i5-10400-amd-rx-580.298642/
Now as for creating a backup of my system: I used Carbon Copy Cloner to create a bootable copy unto a 64GB USB drive, then used EFI Agent to mount and copy the contents of my SSD's EFI partition to that of the USB drive.
It boots up and works as it should, seemingly from the USB drive. Can even eject my SSD so it's not running from that OS install.
Am I missing something? Or is this how it's supposed to be? Could I reliably keep this USB drive as a suitable backup (assuming I keep it updated regularly?)
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