DBilbrue

Does any one know why the AMD 7670M runs for a few minutes then the screen graphics go hay wire and the ground show checker board frames, my AMD 7670 is set to factory defaults, not sure if I need to clock it to a curtain setting or over clock it or under clock it. if ny one out there using a AMD 7670 or 7670M please [PM me] for possible solution this unit I running on a desk top system windows 10 pro

im crashing for only a few minutes on line, and this is a brand new windos 8 Toshiba c55-15220