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I have installed Ubuntu besides Windows7 on my laptop (Vaio Sony VPCEA15FG). I can work with Windows for several hours without any problem; but as soon as I log into Ubuntu, my CPU overheats to 80C and turns off after less than 5 minutes. Any idea how can I solve this problem?

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Which Ubuntu do You use? – Misery Jan 28 '12 at 12:01
Are you using the default graphical drivers or Catalyst(fglrx)? – danjjl Jun 11 '12 at 19:41
I have heard of many different Vaio models having heating issues. After you check Sony's website and look for an updated BIOS, check this Google Code page and see if you can find anything useful. – earthmeLon Jul 13 '12 at 22:35

have you considered jupiter?

also, when you run the system monitor, is your CPU percentage high? (on some ubuntu versions I've had issues where things like software centre would use 100% cpu and my laptop would switch off in a few minutes)

Hope this helps!

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Welcome to Ask Ubuntu. This is really a comment, not an answer to the question. With sufficient reputation, you can use the "add comment" button to leave feedback for the author. – Peachy Sep 27 '12 at 15:13

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