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I have recently upgraded Ubuntu to 13.04. Since this time I have overheating problems with CPU and graphic card. I also can't use fglrx drivers, because Ubuntu does not work properly, so I use the driver that was installed (Gallium 0.4 on AMD REDWOOD).

I have Intel Core i7 CPU Q 720 and mobility Radeon HD5730.

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you should look this too… – Qasim Apr 30 '13 at 16:03
up vote 1 down vote accepted

not being able to install the gpu driver could be the issue, since it worked on the older version, it may be a kernel issue, have you tried booting the old kernel from your boot menu? here is a mainline kernel installer you can use it to try different versions maybe a newer one will let you install the driver, if not maybe a older one will

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Thanks. I haven't checked the driver yet, but the temperature is about ten degrees lower. – Mszaq Apr 30 '13 at 10:49

I was experiencing the same problem and TLP kind of helped reducing its amplitude (but my laptop still overheats from time to time... Guess things aren't that stable on 13.04 yet).

Here's how to install tlp:

sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update
sudo apt-get install tlp tlp-rdw

And then just launch it (once, it's supposed to launch at startup after that):

sudo tlp start

More information about tlp on webupd8.


More info on how to configure tlp on this answer from this AskUbuntu answer.

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Thank you, added that to my answer. – halflings Apr 30 '13 at 19:13

I reduced overheating in Ubuntu 13.04 by activating laptop-mode.

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