ATI Graphics Driver in Ubuntu 14.04

Solution 1:

I tried this on my lenovo, it works.

http://ubuntuforums.org/showthread.php?t=2216720

ganda@Lenovo-G400:~$ /usr/lib/nux/unity_support_test -p
ATTENTION: default value of option vblank_mode overridden by environment.
ATTENTION: default value of option vblank_mode overridden by environment.
OpenGL vendor string:   Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Sandybridge Mobile x86/MMX/SSE2
OpenGL version string:  3.0 Mesa 10.1.0

Not software rendered:    yes
Not blacklisted:          yes
GLX fbconfig:             yes
GLX texture from pixmap:  yes
GL npot or rect textures: yes
GL vertex program:        yes
GL fragment program:      yes
GL vertex buffer object:  yes
GL framebuffer object:    yes
GL version is 1.4+:       yes

Unity 3D supported: yes

Solution 2:

This is because you are running the installer as a normal user. Try to run it with: sudo ./amd-gpu.run