if nothing from the above works, then you should try running "sudo shutdown 0" in terminal to shutdown, and "sudo shutdown -r 0" for restart. If you're losing your patience, please reinstall ubuntu. :D cheers!
if nothing from the above works, then you should try running "sudo shutdown 0" in terminal to shutdown, and "sudo shutdown -r 0" for restart. If you're losing your patience, please reinstall ubuntu. :D cheers!