Problems of reasons :
Figure I
Problems of interface :
Figure II
Press esc, had no effect.
Figure III
Press esc, according to i, still no effect.
Figure IV
Solution:
(1) Press esc, i useless in FIG. 2 Press s success to the login screen.
(2) modify the desktop to disk, reboot still need to press s.
(3) gedit / etc / fstab to mount automatically delete the command added.
(4) successfully restarted.