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I am running a intell i3 550 cpu with on board vga. I added a radeon (RV100) vga card to have duel monitors. Ubuntu is not seeing the 2nd video card.

I know it works with win 7 but I don't want to run win 7.

How to I get this to work?

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closed as too localized by Bruno Pereira Feb 26 '12 at 10:14

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As far as I know, compiz based desktop enviroments (like Unity and Gnome Shell) are unable to run on more than one monitors. KWin, so KDE, is easily able to work with more than one monitor and there are lots of window managers which are also able to run with multiple monitors. Unity as well as Gnome Shell causes a lots of problems with twin views. –  tvn Oct 28 '11 at 12:07
ok so I need to reinstall Ubuntu 11.10 with out Unity? –  Bobby Levesque Oct 28 '11 at 12:25
Oh sorry. I did not recognized that you are using two graphic cards without SLI/Crossfire. Then please add more information like lspci and lsmod. What also would be helpfull: What have you tried to make it work? –  tvn Nov 6 '11 at 13:01
I took the radeon card out and bought a monitor that has dvi. My mother board has on board dvi and vga. It seem to work fine with unity. Thanks for your time. –  Bobby Levesque Nov 22 '11 at 12:47

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