What i got after ubuntu 12.04 installation: http://i.stack.imgur.com/ljs49.jpg
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.
First go to Nvidia Drivers Center and download your driver.
1. Remove any previous Nvidia driver
2. Black list the Nouveau driver
Run these commands:
Add the following two lines, save and close:
3. Logout your session
Press Ctrl+Alt+F1 and login with your username and password.
4. Turn off Xorg and install Nvidia driver