I have the laptop but it old enough so I want to buy new one. I am interested in buying sony vaio series laptop. I want to buy the c series. The review of the laptop is good. So I need this one only but before I need view of you. My many friends and some people told me that the laptop has some problems while switching the graphics between with some games and application. Itís this true. I need more information regarding this. I need more information regarding the problem.