When I am logged in, I press shut down and it logs out. from the log in screen I try to shut down and nothing happens. Does anyone know how to fix this?
closed as off topic by Marco Ceppi♦ Jan 19 '12 at 2:08
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From the bug report I linked to, it sounds like some people resolved this issue by various means:
I have not tried any of these methods myself (I was previously affected but not anymore), so I cannot say from personal experience which of these would likely work for you. Be sure to backup any data before trying any of these suggestions.