Hello there, i have a Dell Precision M6400, with a core 2 extreme qx9300, its having GPU : Nvidia Quadro FX 2700m, the issue i am getting is while benchmarking or trying to use graphic related thing which will use gpu power, my display shows little green lines for around 1 mili second i think so, and shows black screen, system is running but screen turns off. what could be the issue? the temperatures are/were alright not exceeding 50 degree even...