The frist time i downloaded amd vison control cneter i had no porblem. in the display driver its said that i had two displays. which are amd raedon 7660D) & (amd raedon 6670D)how ever i had an issue for the control center, it didnt have or show all the tab were you can set your setting. So i uninstalled vison control and then reinstalled. now all the setting are there. once i put duel grahpisc mode back on , in the display drivers its now says this.(amd reason 7660D) & ( amd reason 7660D+amd raedon 7660D)can someone please tell me if this is a qitch becasue everything from system to bios said everything is working fine nothing is broking at all.