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The Early 2009 Mac Pro—also known as the Mac Pro 4,1—introduced Intel's Nehalem architecture to Apple's line of professional desktop computers in March 2009. The Mac Pro 5,1 used the same interior design but received further CPU updates in 2010 and 2012.

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Random shutdowns and restarts?

Hi! I purchased a refurb mac pro 2012 on which I have a few upgrades(Gtx 1060 6gb, 240gb SSD)

All was working swimmingly for about the first month but recently I have had some worrying issues. At seemingly random points the mac pro with no warning will shutdown or restart.

I have not really been able to pin down on which specific kinds of processes it shutdown/restarts on. I thought certain processes were causing it(GPU) but that hypothesis has not been reproduceable.

What I have tried:

- Reset SMC

-Remove HDDs reseat, remove GPU reseat

- Remove all RAM and replace

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Hi Austin Glugla

Had you tried running on apple hardware diagnostics?

https://www.youtube.com/watch?v=hZdyPKMp...

par

I can't really try it with the GPU in as I can't see boot screens. I will run it tomorrow with the stock GPU

par

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Your symptoms indicate a failing power supply. The ones I have seen the shutdowns start happening every once in a while and get progressively more frequent.

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Austin Glugla sera éternellement reconnaissant.
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