Philippe, I'm sorry this reply is so late but your issue seems to be more unique. I recommend trying a support venue like Ubuntu Forums if you haven't found a solution already.
--- Ubuntu Bug Squad volunteer triager http://wiki.ubuntu.com/BugSquad -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/733836 Title: "Error: file not found" when booting, then boots up anyway To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/733836/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
