Update: This is now solved. Thank you @Luis Alvarado for pointing out those guides and the PPA. I really appreciate it. I can now overclock with the new beta drivers. I have an optimus system. HD4000 ...
How do I install the new beta driver for Nvidia? With Ubuntu before 12.04 I could do this: 1) Downloaded it from the site www.nvidia.com 2) Logout, 3) Move to tty1 (Ctrl + Alt + F1), ...