Same bug here on Asus N550JV. Tried to use Boot-repair. Had the same 'Locked-ESP detected' message.
My post on Ubuntu forum: http://ubuntuforums.org/showthread.php?t=2184383 More info: http://paste.ubuntu.com/6332633/
Pressing ESC at start, I can see ubuntu (which was automatically added to that menu with no intervention from me whatsoever). Trying to boot it: black screen then it boots up W8.
Same bug here on Asus N550JV. Tried to use Boot-repair. Had the same 'Locked-ESP detected' message.
My post on Ubuntu forum: http:// ubuntuforums. org/showthread. php?t=2184383 paste.ubuntu. com/6332633/
More info: http://
Pressing ESC at start, I can see ubuntu (which was automatically added to that menu with no intervention from me whatsoever). Trying to boot it: black screen then it boots up W8.