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Since I have upgraded to Ubuntu 10.04 Lucid Lynx, my second graphics card isn't detected by X server. When I do an lspci I get both listed though.

What could be the issue?

I am using NVidia's driver v195.36.24

share|improve this question
Ubuntu Upgrade doesn't always go well,you might want to do a fresh install and see if that happens with the fresh install too – Mahmoud Hossam Aug 31 '10 at 12:18
Why do you believe that it wasn't detected? – Ignacio Vazquez-Abrams Aug 31 '10 at 12:25
Because 'nvidia-settings' doesn't report a second gpu. – jldupont Aug 31 '10 at 12:27
I also did a fresh install with the same result... – jldupont Aug 31 '10 at 12:27

Try this shell command (may need to be root, may need to add path to nvidia-xconfig to PATH):

nvidia-xconfig --sli=Auto
share|improve this answer
nothing happened at first time nor after reboot. – jldupont Aug 31 '10 at 12:35

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