Ubuntu – System Configuration and date time missing


I am using Ubuntu 12.04 fully updated.
Date is missing in unity top panel.

When I go to System Configuration, it does not work.
Also, I can not change my wallpaper because System Configuration does not work.

Any suggestions?

Best Answer

I had this trouble once before. For me, my package gnome-control-center was uninstalled. Go into terminal and run sudo apt-get install gnome-control-center. If it is uninstalled, install it. If it is installed, let me know and I can try to find another answer.

For the missing date-time install the package indicator-datetime.

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