How to Fix Sequoia Boot Loop on MacBook Air 2015 after Migration Assistant

By Ufuk Durgun
0
macOS sequoia

Fixing Sequoia Boot Loops after Migration

Using Migration Assistant on macOS Sequoia with OCLP can sometimes break the sealed system volume, leading to boot loops.

The Fix:

  1. Clean Install First: Always perform a clean install of Sequoia and apply Root Patches before migrating data.
  2. Manual Migration: Instead of using Migration Assistant, try dragging your documents and files manually from a Time Machine backup.
  3. Safe Mode Migration: If you must use the assistant, try running it while booted in Safe Mode.
  4. Post-Migration Patch: If it loops, boot from your OCLP USB, select your internal drive, and immediately re-apply Post-Install Root Patches.

Original Question: "Sequoia on 2015 macbook air - boot loop issue after restore through migration assistant"

Hi all....

I have a 2015 Macbook Air dual core i7 and 8gb RAM. I just found open core and have been playing around with it. I had taken a backup via time machine, wiped the drive completely and installed Sonoma. Then I used migration assistant to just restore the account and documents (not system or misc. files.) I had no issues with that at all, files and account restored, apps work fine, and I have no issues.

Followed the same process to try Sequoia. I was able to get a clean boot into Sequoia, but then when restoring with migration assistant, it displayed the "migration assistant will complete after a restart as expected, but then it would just loop over and over. I tried kicking off the migration assistant restore both as part of the initial config wizard during setup, and by running it after completing the startup wizard...same results both times.

I reran the Sonoma install, and the restore worked perfectly. So I'm currently on Sonoma which is fine, but curious if anyone had similar issues with Sequoia?

Thanks all in advance....

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