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How can I reduce My CPU frequency to prevent overheating in Ubuntu ?

I have Ubuntu running on a laptop, I need to know what will be required in terms of configuration to reduce overheating.
When I run windows it works smoothly, but Linux on the other hand overheats it so much, that makes the fans work full throttle.
I read that there’s a way to make the CPU work slower, and that supposedly prevents overheating, I want to know what could possibly be done.

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  1. p1r473$m4(|{ | Sep 1, 2010 | Reply

    Add this to your /etc/rc.local and reboot
    http://pastebin.com/hagMKjyF

    Will switch to the powersave governor, which makes your CPU run at lowest speed.

  2. jerry t | Sep 1, 2010 | Reply

    This link will let you change the cpu frequency.
    Good luck

  3. Mono12 | Sep 1, 2010 | Reply

    Like the posts above me said change the scaling to powersave instead of ondemand or performance
    to go to teh text file mentioned above type this:

    sudo gedit /etc/rc.local

    then type ur password
    if your using Kubuntu / or xubuntu ( KDE/XFCE) instead of gnome then use Kate for KDE or mousepad for XFCE

    should look like this:
    #!/bin/sh -e
    #
    # rc.local
    #
    # This script is executed at the end of each multiuser runlevel.
    # Make sure that the script will “exit 0″ on success or any other
    # value on error.
    #
    # In order to enable or disable this script just change the execution
    # bits.
    #
    # By default this script does nothing.
    for cpu in /sys/devices/system/cpu/cpu?/cpufreq/scaling_governor; do
    echo -n powersave > $cpu
    done
    exit 0

  4. OS Discs | Sep 1, 2010 | Reply

    Do as Mono12 says and you will be fine.

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