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Currently using 12.04. This time I was trying to use the application switcher, and it asked me to resolve a few conflicts most of which were not easy to comprehend.

So after some yes and no dialogue boxes leading me nowhere, I thought a reset should set things fine.

However, after preferences->reset to default, I can't see any window!! NONE whatsoever except the log out one when I press ctrl+alt+del

All I can see is the wallpaper and the mouse pointer. I cant even see the terminal or anything when I press alt+f2.

I am posting this when I switch to ubuntu 2d (I cant make out the difference between the two, but this just works for now almost the same way)

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1 Answer

I had this exact same problem. I had to fix it by repairing ubuntu using the install disk. Compiz has been messing up recently and I would highly recommend not using it.

If you want to try resetting it using the terminal you can access it using: Ctrl + Alt + F1

Here are some commands to try:

sudo unity --reset

Try both of these together:

sudo gconftool-2 --recursive-unset /apps/compiz-1

sudo gconftool-2 --recursive-unset /apps/compizconfig-1

Or you could try this:

rm -rf ~/.config/compiz-1/compizconfig/*

After executing these commands restart computer:

sudo reboot

Source: http://www.webupd8.org/2011/04/how-to-reset-unity-launcher-icons-or.html

Hope this helps,

Leinardo

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didnt work... unity --reset gave me some warnings related to compiz and a segmentation fault in the end. Those two commands didnt solve it either on a restart.. Thanks anyways :) I guess a fresh install is on its way –  Shashank Singh Jun 1 '12 at 17:24
    
I believe rm -rf ~/.config/compiz-1/compizconfig/* worked to solve my issue, but I can't be sure that all the settings are back the way it was originally. –  uosɐſ Jun 16 '12 at 16:49
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