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I am using a Dell Inspiron 15 Laptop, with Ubuntu Installed on my WD Passport partition as a portable installation.

On the CPU Fan, it never looks like it has any control over itself. At a constant speed and noise, it keeps on running no matter whether I use the system or not.

Help is much appreciated.

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do you have dual graphics card (nvidia optimus or amd hybird)? open a terminal and post result of lspci | grep VGA – Web-E Feb 5 at 17:18
Hi Web-E, here is the output. 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Caicos [Radeon HD 6400M/7400M Series] – aksappy Feb 9 at 8:46

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