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I've tried this instruction to install kernel 3.1 but when I checked my kernel version with uname -r command (after rebooting), there was no change and my kernel version was still shown as 3.0.0-15.

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up vote 4 down vote accepted

Follow this instructions to upgrade to kernel 3.2. Works like a charm and you can have 3.2 in your current ubuntu installation.

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thanks but i prefer to upgrade to 3.1 so the risk would be smaller, wouldn't it? – yinon Feb 11 '12 at 22:05
@yinon: no, it would not. – RolandiXor Feb 12 '12 at 2:07
Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – RolandiXor Feb 12 '12 at 2:07
thanks, it successed! – yinon Feb 12 '12 at 17:39

Upgrading to latest kernel is not always risky, if something does not work properly, you can always get back to previous versions of kernel installed on your computer.

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