Replaced the inverter - half the screen is recovered.Solved my self. Still going to leave the question anyway. Basically, after changing the inverter and lcd screen, everything i...
Answer to: MacBook Pro 15,6'' black screenFirst step: Show a flash light on the screen and see whether you can see the desktop (basically all the icons). If you can, then it is related to backlight and/or inverter issues. You can fix it relatively easily. Try connecting to external monitor, if you have one, to eliminate logic board issues from the equation. Mani