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Possible Duplicate:
What should I do when Ubuntu freezes?

I just upgraded to 12.04. Now, I can get into the desktop but after that point nothing works including keyboard and mouse. Therefore I am unable to use terminal. What do I do to get it working again?

Community
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Bryce
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2 Answers2

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If previous to the upgrade you had messed with compiz settings, I guess I (and many other people) have been into the same issue. Solve it by resetting compiz settings to defaults.

I have an ATI Radeon HD5750, but I guess people with nVidia cards have also experienced the issue.

Community
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Simón
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You should try using another USB keyboard, as your existing keyboard may be the cause of problem. if even that does not work for you, re-install a fresh copy of 12.04 rather than upgrading.

Kindly describe specific problem you are facing. The more details you provide the more help you will get.

Chirag
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