[ubuntu] Yet another GRUB error after upgrading to 12.04.1 LTS

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http://ubuntuforums.org – There are so many combinations of problems concerning this aspect of the upgrade to 12.04.1 LTS that I thought I had best itemise this one also. As was expected, after installing the upgrade (online), the first restart, instead of presenting the option to boot to Ubuntu or to Windows, it resulted in "error : the symbol 'grub'xputs' not found grub rescue> " Neither 'grub-xputs' nor "grub rescue" means a thing to me. Anyway, using the SuperGrub Disk, I was able to get into the newly installed Ubuntu and run sudo grub-mkdevicemap sudo update-grub2 sudo gr (Hardware)