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When I log in to Ubuntu (GNOME), after I enter the password nothing appears. But a small message tells me that

GNOME power management is not configured properly, and ask the Administrator to fix it.

Is there any way to reset the preferences? I have KDE and every thing works very good. But I want to run GNOME again...

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1 Answer 1

Apparently, this error occurs if you don't have enough disk space available.

Drop to TTY1 using Ctrl + Alt + F1.

Enter the following commands:

sudo apt-get clean
sudo apt-get autoclean
sudo reboot

The last command will reboot the system for you. Try logging in now.


If the above doesn't work, you might want to try chmodding /tmp to 0777

chmod 0777 /tmp

(source)

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