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I was so excited and impatient that's why I couldn't wait for ubuntu 10.10 and upgrade to alpha version 2 days ago. Now, my login screen freezes and I get a message as " gnome power manager have not been installed correctly, contact your administrator". How should I resolve this?

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closed as too localized by Marco Ceppi Jun 7 '11 at 13:56

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

I can't tell you how to get to a working login. But I can tell you that I learned a year ago to immediately run this after install: "sudo apt-get purge gnome-power-manager". I'm pretty sure it's my nVidia card that won't play. – Smandoli Oct 10 '10 at 14:09

Maybe you should just boot into safe mode and then try to upgrade your system?

sudo apt-get update && apt-get upgrade

I don't know how skilled you are with the console

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press alt+ctrl+F1 login in text mode then alt+ctrl+F6 and login screen should be fine now, Ubuntu 10.10 seems quite buggy.

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