Currently Being ModeratedFeb 6, 2014 12:11 PM (in response to tidman21)
Currently Being ModeratedFeb 6, 2014 3:34 PM (in response to tidman21)
Connect to an external monitor (you'll need an adaptor). If you see nothing your GPU/logic board is shot. If you see a normal display your onboard video chain has a problem (most likely a bad/shorted cable) but could be a bad backlight or backlight controler or the display itself.
AHT or an Apple Genius can help determine what is the issue.
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