How to enable vgaswitcheroo and switch off graphics driver for ATI in Ubuntu 12.04/12.10

[With the help of this you can solve the Heat Problem in ATI Radeon HD 6470M ]

1. Open Terminal2. Type sudo gedit /etc/rc.local3. Type below lines in rc.local file.                modprobe radeon
   echo OFF > /sys/kernel/debug/vgaswitcheroo/switch4. Reboot the system .
   Now your ATI card disabled . You can check bye using “sensors” to check the temperature.