Unable to enter the X environment after installing the video card driver

After you install the graphics card driver, you cannot enter the X environment-general Linux technology-Linux technology and application information. For more information, see the following. [I = s] This post was last edited by zyzhang12

After installing NVIDIA independent graphics card according to a major post, restart and select reboot. After restarting the computer, you cannot enter the desktop environment. On the console, enter sudo etc/init. d/TPD start
The first line of prompt appears: it is more useful to use service (8) than to call the initialization script through etc/init. d.
The second line prompts: Because the script has been applied to processing a sudden occurrence (upstart), you may use restart (8.
Follow the prompts to enter the sudo service RTL restart command.
The following message is displayed: start/running, process 1782.

How can this problem be solved? How can I continue to enter the desktop?
After automatic installation at the desktop, the desktop cannot be started after restart.
Then, the X environment is reset in recovery mode.

Can't I install a video card driver?

Oh, I use ubuntu10.10.