I have gtx560 oc.. i installed latest driver from nvidia... but some times iritating messagr pop up "Display Driver Stopped Working And Recovered" This Is Happening at will Palying Games... like wwe 2k15 nfs rivals... after that my screen turn black... then i reboot my pc it turn on after win 7 boot animation monitor goes sleep.. no screen... after i plug out gpu and replug then screen come.. why this happening?.. help me guys..