Mac Pro 5,1 won't boot when attempting NVRAM reset | MacRumors Forums
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Mac Pro 5,1 won't boot when attempting NVRAM reset
Hello everyone, so today I decided to clean my Mac Pro and apply new thermal paste, did everything, turned it on I heard chime and I was like let me reset NVRAM, when I pressed keys nothing happened, turned it off and on again, nothing, no chime and black screen, checked all connections, checked CPU everything. Tried again and then it booted, I installed fresh Mojave, did all updates, turned Mac off and on 2 times everything is normal. Now I tried again resetting NVRAM
because I was curios and again no chime and black screen. Does anyone know what could be the problem. Thanks.
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