to install nvidia 304.64 driver on ubuntu 12.10 i need to login as root but it doeant accept my username and password and says incorrect login i also has created a root password but still have the problem
what can I do ?
You do not need to log on as root. As a matter of fact, this is a bad practice on which I will not lecture today other than mentioning that you should use the root account as little as possible. Make it a challenge for yourself to use it as little as possible.
What you should do is log on to the CLI with your regular account; the username you log on with to the GUI.
Then you have two options: