Hi, I have this Dell Inspiron 6400 for a dollar, So I tested it and the screen is very dim and I can't see anything until I flash it with sunlight, but for a quick second there is backlight and nothing again, kinda sorta quick flicker of light then darkness on the screen, I can see the Dell Logo very faintly and I can see it when the backlight flickers when I turn it On, Help me if you can thanks