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I upgraded to ubuntu 11.10 and now I cannot run Google Earth or other applications that require GLX. Here is what I got when i ran unity_support_test. How do I fix this?

aurora@eurus:~$ /usr/lib/nux/unity_support_test -p
Xlib:  extension "GLX" missing on display ":0".
Xlib:  extension "GLX" missing on display ":0".
Xlib:  extension "GLX" missing on display ":0".
Segmentation fault

I am using a DELL Inspiron N5110

00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09)
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What graphics card does it have? Please add the output of lspci -nn to your question. Have you installed proprietary drivers directly from the vendor (i.e. AMD or nvidia?) –  Lekensteyn Mar 9 '12 at 22:34
    
Updated the info. Ubuntu could not find any proprietary drivers. –  DazSlayer Mar 12 '12 at 17:56
    
Please attach /var/log/Xorg.0.log to your question. Paste it on paste.ubuntu.com –  Lekensteyn Mar 12 '12 at 18:28
    
paste.ubuntu.com/880767 –  DazSlayer Mar 12 '12 at 18:47
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1 Answer

up vote 1 down vote accepted
+50

It looks like you've installed the nvidia driver which breaks your graphics:

[ 37.912] (EE) Failed to initialize GLX extension (Compatible NVIDIA X driver not found)

Uninstall the nvidia-current package and restart the X server (by rebooting for example). Your laptop is supposed to have a nVidia card (Optimus though). Your BIOS is configured to use the integrated card only. If you wish to have on-demand use of the graphics card (keeping the discrete nVidia card off at other times), have a look at Bumblebee as mentioned in How well do laptops with Nvidia Optimus work?

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