How to do Ubuntu 12.04 fever?

Many friends have experienced serious fever problems after installing Ubuntu 12.04 system, but this will not be the case before. The following small series will introduce you to the Ubuntu 12.04 fever solution, still for computer fever problems. Difficult friends come to understand.

Background: Ubuntu 12.04, after i52410 GT540M

Bahrain computer is very hot, catch the next WIN7 play the big games. The fan is yelling.

The dual graphics card support is not good, the problem caused by the single.

Solution:

“The kernel after 2.6.37 can directly support dual graphics switching.

Enter in the terminal:

sudo Su

echo IGD 》 /sys/kernel/debug/vgaswitcheroo/switch

echo OFF 》 /sys/kernel/debug/vgaswitcheroo/switch

where:“ One sentence is to switch to the integrated graphics card, the second sentence is to turn off the graphics card that is not connected <;

Add the following code to the exit 0 in /etc/rc.local to achieve automatic switching to integrated graphics Disable discrete graphics

sudo gedit /etc/rc.local

Add before exit 0:

echo IGD 》 /sys/kernel/debug/vgaswitcheroo/switch

echo OFF 》 /sys/kernel/debug/vgaswitcheroo/switch

cat /sys/kernel/debug/vgaswitcheroo/switch

is shown below:

0 :DIS: :Off:0000:01:00.0

1:IGD:+:Pwr:0000:00:02.0

OFF behavior is turned off alone

Is Ubuntu12.04 fever The introduction of serious problem solving methods, the poor support of dual graphics cards will affect the fever of the computer, and shutting down alone can solve the problem.