Chosen Solution
i just opened my laptop and clean it for overheating purposes, when i turn the power on after re-assembely the screen is always black ! everything is ok there is a noise from the fan and the small yellow light is on but the screen is black
salahuddin hourani, check to make sure that you connected everything back the way it is supposed to be. Also, connect an external monitor to see if you have video output. If that works you at least will now your video circuitry is ok.
external output not come
