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Re: laptop keyboard lights up screen is black
If your screen is broken then thats both bad and expensive but there is a way to test try to hook it up to an external monitor to see if that will work. it it doesn't then something is wrong with your motherboard
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Just try to power cycle the unit by removing all power sources (battery, ac adapter) and pressing the power button for at least 15 seconds. If this will not work and you did not get an image from the external monitor, then you need your motherboard replaced.