Occasionally, for unknown reasons or causes my GTX 770 gives me an error message saying it's not responding and has recovered. After this has happened I get strange blocks of pixelation around my screen...
http://puu.sh/g931U/6005b40d2b.jpg
http://puu.sh/g937O/41ef174feb.jpg
http://puu.sh/g931U/6005b40d2b.jpg
http://puu.sh/g937O/41ef174feb.jpg