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I have ASUS X550CC-XX209 with installed xubuntu. My question is how do i know what gpu i use, intel or nvidia.And if i use intel, how to switch to nvidia card.I'm new linux user, so please don't use difficult terms.Thanks, and sorry for my bad english.

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Following command gives you graphics detais.

glxinfo | grep OpenGL

The output will be like

OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) G41 x86/MMX/SSE2
OpenGL version string: 2.1 Mesa 9.0.3
OpenGL shading language version string: 1.20
OpenGL extensions:

The second line gives you your driver's name.
You may also try

glxinfo | grep OpenGL | grep renderer

Which will give only driver's name.

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Sorry, but on xubuntu i don't have Dash – user248825 Feb 16 '14 at 15:48
sorry, I didn't read the question properly. – Registered User Feb 17 '14 at 5:31
Okay, i use intel card, now how to switch to nvidia? – user248825 Feb 17 '14 at 12:17

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