1

After installing and using Ubuntu 11.10 for while I decided to install gnome shell. After Installing and rebooting my system I saw that Ubuntu light theme (ambiance/radiance) is gone.

I check /usr/shar/themes and /usr/shar/icons, it seems that the light themes and mono icons exist. I even reinstalled gtk3-engine-unico package but none of these effort fixed my problem :(

my desktop now looks like this:

enter image description here

What should I do to get my default ubuntu theme back?

3

Fortunately I found how to fix my problem, I did these things:

1) went to my home directory and deleted contents of these folders: .cache .compiz-1 .config .dbus .gconf .local (I wasn't sure which folder contains default theme, so I had to delete contents of all these folders)

2) went to system settings->Appearance and chose my theme

that's all

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2

The typical solution is to remove the accessibility themes like so:

sudo apt-get remove gnome-accessibility-themes

sudo apt-get install gnome-themes-standard.

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1

There is no need to delete .cache and friends; all you need to do is go to System Settings > Appearance and set a new theme.

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1

Install dconf-editor if you don't have it, and then go to

org.gnome.settings-daemon.plugins.xsettings

and check "active." One thing I've also noticed when this happens is that the media keys stop working: enable org.gnome.settings-daemon.plugins.media keys. There also might be some more plugins you should enable.

THIS IS THE BEST WAY TO DO IT BECAUSE YOU DON'T DELETE ANY CONFIG FILES!

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