Unfortunately, the Synaptic screenshot doesn't have enough information for me to debug this. Could you please run:
sudo apt-get -o Debug::pkgProblemResolver=true dist-upgrade and post the output? ** Changed in: grub2 (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/721544 Title: Update replaced grub-efi with grub-pc causing boot failure. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs