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I realize this question has been asked previously. However, I do not have an NVidia graphics card, I have an ATI Radeon graphics card.

When I try to log into Ubuntu regularly, it logs into 2D mode every time. Also when I log into the Gnome shell it reverts back to an older version. I tried unity --reset and now I have no window borders, and can't switch between windows or resize, and am still in Unity 2D.

How can I fix this?

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Have you installed the drivers for your g.c.? –  Lucio Feb 5 '13 at 23:46
Yes, I've been running Ubuntu on this computer for 4 years. This just all of a sudden started happening. –  James Kirk Feb 8 '13 at 9:34
a sudden started happening Could this be related with an update? Or did you installed an application (like ccsm) to customize Ubuntu? –  Lucio Feb 8 '13 at 22:00
I believe it started around the time of an update, I'm not sure whether or not it coincides with the update or not, however, since everything has pretty much downgraded. I installed ccsm long ago, and I can't do anything with it now. –  James Kirk Feb 19 '13 at 15:45
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