![]() ![]() Press the power button to turn the Mac back on.Īnd i have reseted my pram by holding down command option p and r til i hear the mac music play again.Plug the Mac back in and do not turn it back on for at least five seconds.Keep the Mac unplugged for at least fifteen seconds. ![]() it usually takes me powering it up once and force shutting it down then powering it up again to work sometimes i get it on my third try? i have reset my smc by Then the second time i hit the power button it usually works. so i have to force shutdown by holding down the power button for five or so seconds. Let me rephrase the problem, When i press the power button on my mac pro it will give power to my keyboard and mouse and audio interface, but the computer led above the power button doesnt light up and there is nothing going on in the actual computer screens won't turn on anything even if i let it run for 25 minutes it won't start up. ![]()
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