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I have a Samsung Chromebook 3 where the display is dark and the brightness is at max but very dark and you have to put a flashlight to the screen to see it please help! I tried moving the Chromebook to see if the connecter is loose sometimes it will work sometimes it won’t and I’ve tried charging it and moving the screen back and forth gently but still no dice.
The led backlighting of your screen seems to be broken. You will need to replace the screen. Here is a helpful guide to replacing your screen Samsung Chromebook 3 Display Replacement