Cannot shutdown, computer freezes

Posted by Firouziam on Ask Ubuntu See other posts from Ask Ubuntu or by Firouziam
Published on 2012-10-14T19:44:35Z Indexed on 2012/10/14 21:51 UTC
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12.04

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ati

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shutdown

I've installed Ubuntu 12.04 (near windows 7) on my laptop(Dell studio xps 1640 with Ati Radeon HD 3670) and everything is working fine, but when I want to shutdown my computer it freezes!

I don't know what to do after that, then I have to use power button to power off the computer and it's not good at all. I don't know what's the problem and I don't know how to figure this out.

I installed the graphic card driver (12.6 version) from ATI website and it fixed my problem with playing videos but I think after that this shutdown problem appears!

Would you tell me what's the problem and how can I fix it?

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