Press Enter!
If you can't do something(repair it) and if the message is correct, then go into
recovery and chose
repair broken packages. After repairs, reboot and if nothing happened, chose this time
check all file systems.
If none of those worked, you need a specialist

) joking) in kernel repairing. The kernel could be in a state as.. beyond repairing. Linux have two kernel(at least).. so boot in the other one and.. do you hacking from there
