There is no such thing as error 15 in grub2, so either grub2 did not get installed, or was installed to one drive and the machine is still booting from a drive with grub legacy on it. Do you have more than one drive? Where did you choose to install grub2?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/999948 Title: Ubuntu fails to account for separate boot partition To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/999948/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs