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This article mainly introduces how to install the Ubuntu graphics card driver, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

Ubuntu install graphics card driver Ubuntu installation process online tutorial is more complicated, according to this post when operating http://forum.ubuntu.org.cn/viewtopic.php?p=670626 to sudo module-assistant prepare error.

Code: sudo module-assistant prepare

Getting source for kernel version: 2.6.22-16-generic

Kernel headers available in / usr/src/linux

Creating symlink...

Couldn't create the / usr/src/linux symlink!

Apt-get install build-essential

Later have to compile all errors, do not know the specific reason between running the run file, prompt ERROR:vcdk is missing crash, now using the resolution is 800mm 600

Code: fglrxinfo

Xlib: extension "GLX" missing on display ": 0.0".

Xlib: extension "GLX" missing on display ": 0.0".

Error: couldn't find RGB GLX visual!

Segmentation fault (core dumped)

After that, update the restricted driver manager and reboot to make sure that the driver Ubuntu is installed correctly:

Fglrxinfo Code

Display:: 0.0 screen: 0

OpenGL vendor string: ATI Technologies Inc.

OpenGL renderer string: ATI Radeon HD 2600 XT

OpenGL version string: 2.1.8304 Release

The above information indicates that the driver Ubuntu of ati is installed, and then confirm 3D special effects to open glxinfo | grep direct direct rendering: Yes

Try to turn on the special effects first

Initial hint: "The Composite extension is not available" then sets Section "Extensions" Option "Composite"Enable" EndSection in etc/X11/xorg.conf

Then the prompt message is: "Desktop effects could not be enabled"

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