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I've installed 11.04 but for some reason Unity isn't there. I'm just getting the old interface. It's not a graphics card problem as it can run brand new games fine.

Anyone know whats up?

Thanks, Mike.

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Did you install the appropriate driver for your graphics card? – Takkat May 2 '11 at 7:24
The first thing that comes to my mind. Have you testet out Gnome 3 on the same system prior to upgrading? Gnome 3 will disable Unity. And like @Takkat said, are the drivers for your graphics card working/installed? What kind of session options do you have when you log in? – Ole Christian May 2 '11 at 7:29
Plus, what graphics card do you use? – htorque May 2 '11 at 7:29
Just to make sure you are logging into the right session: log out from the classic session (what you call old interface) and log into an Ubuntu session (see this answer, but choose Ubuntu). – htorque May 2 '11 at 7:31
Did you restart the computer after installation ended? – IanRos May 2 '11 at 7:31

To check that your hardware supports Unity type in a terminal;

/usr/lib/nux/unity_support_test -p

If you get a NO response then you will need to install Unity 2D:

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and it would be really nice if you could also tell us where to Unity 2D from, I was of the impression that the 2D version would be released with Ubuntu 11.10 – DemonWareXT May 2 '11 at 13:33

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