For idea/Lenovo laptops configured with Nvidia Optimus technology, you can choose which graphic card to use under BIOS setup.
All Idea systems with Nvidia Optimus solution
1. During system boot, press F2 to enter the BIOS. (In some configuration you can start the system by pressing the Novo button and choosing enter setup). Switch to the Configuration tab using the arrow keys.
2. Choose the graphic device option and press the enter button.
You can choose from two options:
The system performs the graphic function with Intel VGA and Nvidia VGA. For Windows XP, it supports UMA only mode.
The system performs the graphic function with Intel VGA only.
3. Go to the last tab and choose Exit saving changes (or press F10 button and confirm pressing enter).