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After installing the nvidia drivers and rebooting my theme changed to an ugly gray theme. Changing the theme in the System>Preferences>Appearance only changes the window title bars but everything else stays in this ugly gray theme.

The drivers are installed and working (visual effects work).

I also updated everything from the Update Manager before rebooting. Also this is a brand new install. Only changes are from the Update Manager and the Driver utility. Every thing looked fine before I rebooted (default ubuntu 10.10 theme)

How can I get rid of the this gray theme?

Also I am new to ubuntu, mainly use GUIs to set things up. I'm not afraid of the terminal, but I just don't know my way around the Linux file system yet.

Thanks for your help!

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Is this happening only with certain applications or all? Also, did you try to change the controls-theme directly via the customize option? – Bobby Jan 23 '11 at 21:01
All windows have this problem. I have selected the default theme "ambiance" from the appearance preferences. Also windows will return the correct theme when I log out and log back in sometimes. – DRJTower Jan 25 '11 at 19:10

I had the same problem. There is a fix for it documented on the ubuntu forums.

Go to System > Administration > Additional Drivers

It shows a graphics driver that was not activated.

ATI/AMD proprietary FGLRX graphics driver Tested by the Ubuntu developers License: Proprietary 3D-accelerated proprietary graphics driver for ATI cards.

This driver is required to fully utilise the 3D potential of some ATI graphics cards, as well as provide 2D acceleration of newer cards.

I clicked to activate it and it told me to restart. I restarted and everything worked correctly.

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