Sometimes when i start my laptop after entering password when the desktop appears after few seconds sometimes a message appears Your PC will automatically restart in one minute under it it says Your pc ran into a problem and needs to restart.You should close this windows now and save your work. I am having WINDOWS 10 UBGRADED FROM 8.1 LAPTOP IS LENOVO Z50 70 8GB RAM 4 GB GRAPHIC CARD..... PLS HELP