Ubuntu Hangs Suddenly (Dell Latitude E5530)

Posted by iFadey on Ask Ubuntu See other posts from Ask Ubuntu or by iFadey
Published on 2012-11-30T12:30:36Z Indexed on 2012/12/11 17:23 UTC
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I recently bought (a month ago) Dell Latitude E5530 which comes pre-installed with Ubuntu 11.10. I removed Ubuntu 11.10 and installed 12.04 LTS right after the purchase. Everything worked out of box but occasionally Ubuntu completely hangs. The screen freezes and I can't even switch to other terminals by pressing (CTRL+ALT+F*). Whenever the screen freezes, CPU fan speed also increases. This is not happening when running particular applications. I mean it can hang without giving any reason or error displayed and while running any application. In short currently I can't able to reproduce system hang myself. I also want to mention that sometimes it never hangs complete day.

Here are the specs of my laptop:

Processor: Core i7-3520M CPU @ 2.90GHz

Memory: 8GB

HDD: 500GB, 7200rpm (Model=ST9500423AS)

Graphics: Intel HD 4000

Operating System: Ubuntu 12.04 LTS (64-bit)

Thanks!

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