Try this command to install the grub : grub-install --efi-directory=/boot/efi/ --target=x86_64-efi --recheck --debug Where /boot/efi is the directory where the EFI partition (/dev/sda1) is mounted. I was able to regenerate a grub install with it. Then run grub by hand in the efi shell.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1052840 Title: [regression] No access to Ubuntu after installing 12.10 on UEFI system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1052840/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
