You have a computer that runs Windows 7. You generate a System Diagnostic Report and receive thefollowing warning message: The Graphics rating for the system is poor and may be the cause of performance problems. You need to increase the graphics performance of the computer without modifyingthe current hardware or drivers. What should you do?（）

A. From Personalization， modify the screen saver.
B. From Indexing Options， modify the Advanced options.
C. From Performance Options， modify the visual effects.
D. From Performance Options， modify the processor scheduling.