If your laptop appears to boot up and the hard disk LED flashes, then the problem is probably a back light fault. This can be a faulty inverter or a faulty CCFL lamp. Please click on this link and follow my instructions to identify the fault and possible fix :-
http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen
Hello and thank you. When I connect to an external monitor everything looks fine. I do not know if the parallel connector is part of the video card. Someone told me that I need a new mother board since the video card is attached to it.
It will not be the motherboard as an external monitor works. Replace the display/invertor.
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