Chosen Solution
i replaced the logic board on my macbook air a1370 but the screen is still black and doesnt turn on. the battery cable when plugged in is green
@danj This exactly. If you have a fan spinning, connect an external display. Also, disconnect the battery, then plug the MBA in; the computer should turn on by itself. If it does not turn on by itself, use the power on jumper pads on the board to try to turn it on.
