Hello i just got a new laptop with Windows 8 pro and as a secondary graphics card i have a intel HD 4000 and when this card is active and i try to use the App store or any of the tiles where there would usually be a white background there is now just black flickering parts it sort of feels like the HD 4000 cant handle it i updated the software for the HD 4000 but it still happens and ialso tested it with my GTX 660m and its perfect any help would be appreciated