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what exactly do you mean with grub is not working anymore?
and how did you reinstalled the grub?
did you chroot and then reinstalled it with these 2 commands for efi?
and you are also running on open source drivers on nvidia on the 6.1 kernel… any reason for that?
On a completely new and clean installation, it should be fine. And it might be quicker. It all depends on your comfort level. And I say should, because a lot can happen. If you decide to go that route, however, just make sure all your data is backed up.
That said, however, there is nothing like the high of conquering a problem like this.
But, sadly I can’t go on trying to help. My day is coming to an end this side of the world. So possibly someone else would be able to help.
When saying “grub is not working”, I mean that it is not launching during boot. Additional grub-emu goes in a terminal instead of the classical grub menu.
I went through the all page GRUB/Restore the GRUB Bootloader, including these two lines.
And there is no good reason for the drivers and 6.1 kernel (I didn’t even notice it). This is almost a new installation, which I didn’t modify so much.
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash udev.log_priority=3"
# If you want to enable the save default function, uncomment the following
# line, and set GRUB_DEFAULT to saved.
Output of ls /boot/efi: EFI 'System Volume Information'
its not shown because its hidden…
open this: kate /etc/default/grub
and edit this line to look like this: GRUB_TIMEOUT_STYLE=menu
save it, update grub: sudo update-grub
reboot, and it should be shown now
you can remove the ubuntu entry: sudo rm -r /boot/efi/EFI/ubuntu
then add the ibt parameter, since we are going to install nvidia drivers: kate /etc/default/grub
and in this line: GRUB_CMDLINE_LINUX_DEFAULT inside the quotes add this parameter: ibt=off
dont remove anything from there!, just add it to existing parameters, save the file, update grub: sudo update-grub
also check if you changed it from hidden to menu…
install the nvidia drivers: sudo mhwd -a pci nonfree 0300
any errors post here…
now enable early loading: kate /etc/mkinitcpio.conf
and edit the modules section to look like this: