Laptop screen goes black

Neris85 Posts 1 Registration date Sunday June 18, 2017 Status Member Last seen June 18, 2017 - Updated on Jun 18, 2017 at 07:17 PM
My laptop turns on it shows the words windows on the screen then it goes black.the power lights up but middle power light is white n the last light is not green. When I plug power cord it turns on but wen the cord is off it turns off. Plz help me figure WATS wrong with the laptop