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Q: Hi I have a MAC pro retina. This has happened before, when I turn on the start button, the logo lights up but there is no li ... Hi I have a MAC pro retina. This has happened before, when I turn on the start button, the logo lights up but there is no light to the screen. I only see a black screen. more
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Helpful answers
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Jul 18, 2015 7:28 AM in response to Garry Lunnby Ralph Landry1,If PRAM and SMC resets do not work, sometimes you have to do those a couple times, then it is time for a visit to an Apple store genius bar to have the techs run their diagnostics.
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Jul 18, 2015 7:35 AM in response to Garry Lunnby The hatter,Should be moved to MacBook Pro (Laptop) forums