Hello after installing Ubuntu 12.04 my laptop is constantly running above 60°C. I have installed the relative third party drivers but still the same. My laptop is a Dell 15R n5010, i5.
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Manhattan
[Mobility Radeon HD 5400 Series] (prog-if 00 [VGA controller]).
topin a terminal window to see if any proccess uses too many CPU cycles. Try Ubuntu2d (aka Unity2d) as session from the login screen. – mikewhatever Oct 5 '12 at 6:57