r/Ubuntu • • 1d ago

UEFI Problems

I upgraded from 24.04 to 26.04 and I am having problems booting/logging in. If I can't fix it then I want to reverse back to 24.04 with out doing a full install. Any suggestions

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1

u/infantilerector 1d ago

ugh the cursed upgrade tango. i feel your pain. boot from a live usb and chroot into your busted install, then you can purge the new kernel and reinstall the 24.04 kernel packages from the old repos. might be a fight if it's an nvidia driver mess, but that's where i'd start poking around.

2

u/friendlyreminder_ 1d ago

Can't revert Ubuntu udpates.

You may have to chroot into the system from a live usb as mentioned already, depending on what issue you have.

But it would help if you gave details as to what specific issue you're having.