Why did my macbook pro not turn back on after a restart

I did a restart on my macbook pro and it seems that the screen is the only thing that does not turn on

multiple restarts and completely black screen?    Make appt. with Apple genius bar for diagnostic and repair.
monitor cable or fault at logic board.

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    Hi there nina777s,
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    Hi there Krispesic,
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  • IPhone 6 Blue Screen Crash Now my Phone will not stop crashing: Has Not turned back on after last crash.

    I very recently got my new iPhone 6. I got it on new years eve. I'm not sure what version of the OS it is on, but I'm going to assume it is on the latest, 8.1.2. Today has been the only day i have had an issue. Earlier in the day the phone froze and the Wifi was showing to only have one bar. They Phone then shut off and flashed a red screen for about a second. After that, I had no issues for a few hours. Later that night the phone crashed three times. 2 of them showed a blue screen before crashing. The third time the phone would not let me open any apps and then just shut down, and as of right now it has not turned back on. Is there a way to fix this or am I going to have to replace my phone?

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    If you can help me out at all it would be SUPERB because its killing me.

    Diagnostic testing is free at Apple store. But you have to pay for the repair.
    Did you try resetting SMC?
    Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own".
    Best.

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