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Model A1347 with 2.4 or 2.66 GHz Core 2 Duo Processor.

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Mac Mini Powers off after 5-10 minutes of booting up

My Mac Mini Mid 2010 has issues logging in, going into internet recovery, and pretty much any task. It will appear to work fine for 5-10 minutes, then it powers off entirely, and the fans stop.

This was the issue before I opened it to replace the thermal paste and clean the dust out. So I didn't make it any worse or any better.

The RAM sticks are OWC, so I think it's safe to say they are in good health and quality.

I think it may be an issue with the hard drive? It was a family computer that went through a lot, so maybe it is broken? IDK, and the data on it doesn't mean anything because there was always a backup.

I am kind of at a loss on what to do; I would appreciate any ideas.

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Have you tried running Diagnostics from the grey CD disk that come with the system?

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@danj Unfortunately, I tried and looked for that disc, but couldn't find it. It was a refurbished mac from apple, so not sure if they included discs or if I just lost it. Would the next step be to find the disc on eBay and try that?

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@iphonebuddy - Thats one way, or if you have access to a second Mac create your own bootable CD with the Apple diagnostics program on it.

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@danj If I was to create a disc before buying a power supply like @dan suggested, is there an ifixit guide or some some tutorial on how to create a diagnostic disc like you said?

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Without the benefit of running diagnostics we could try seeing if the problem is the power supply. From what you describe I'm thinking that's the issue here. You'll need Mid 2010 Mac Mini Power Supply (85W), Apple P/N 661-5654 and here's the repair guide you'll need to follow to replace it Mac mini Mid 2010 Power Supply Replacement

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Maybe your right, because even if I get my hands on a diagnostic dvd, it might have power issues too. Thank you for the response!

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Ryan will be eternally grateful.
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