I have Gigabyte GA-Z77-D3H motherboard, AMD Radeon HD 6970 graphic card, Intel core i5 processor and 4GB RAM. i have windows 7 operating system in my computer, From last few days I am experiencing problem with the ATI Overdrive. Whenever I open Catalyst control center in my computer at that time ATI Overdrive option gets disappeared. I have open control panel in my computer and then I have clicked on the program and features. After doing that I have uninstalled Catalyst control center and then installed Catalyst control center in my computer again but that does not helped me to solve this problem. Now please tell me what should I do to solve this problem?