using Intel i3 370M integrated graphics card

The integrated graphic card and the dedicated graphic card work together. If the integrated card is not enabled than the dedicated will also not work. That means that the integrated card is automatically enabled although there is a option to disable dedicated cards. And what do you mean by graphic card is dying?
 
hi goku ,
thank you for your answer , so if i want to disable radeon hd 5470 and use the one in the cpu (gma hd) is it possible ?
what i meant by ati dying ( random blue screens and freez , graphic glitch and vertical lines )

thank you