first of all download from NVIDIA your driver and it should be put on the folder Downloads in your system
1. open terminal and write su and your pass
2. service prefdm stop
3.press ctl+alt+F5 and in the black screen login (mine root and pass press enter and write su and pass)
4.type cd Downloads press enter
5. type sh (name of your NVIDIA file).run
I have a NVIDIA GeForce GTX 560 graphic card with Ubuntu 13.04 running kernel 3.8.0-19 (tried with 3.10.0-999, same issue) and whenever i tried to install NVIDIA driver, either by downloading the *.run file from http://www.nvidia.com and installing it as root (during installation it give some errors as it failed to set runlevel), or doing those following steps:
This brief tutorial will show you how to install nvidia driver the .run package downloaded from official site in Ubuntu 12.04 Precise. It’s a little different since Ubuntu turns to LightDM display manager.
1. Make a backup of /etc/X11/xorg.conf file.
2. Download official nvidia driver from http://www.nvidia.com/page/drivers.html.
For now, the latest is 304.22 beta
I'v bought a new graphic card and installed it on my pc.
Now - ubuntu won't load, all I get is a command line terminal at the end.
I've tried to type startx and got this error:
NVIDIA(0): The NVIDIA GPU at PCI:2:0:0 in not supported by the 173.14.30 NVIDIA driver
NVIDIA(0): Failed to initialize the NVIDIA graphics device.
Screen(s) found, but none have a usable configuration.