The PowerMac G5 is a desktop computer first produced in 2003 by the Apple Corporation. This guide will review the repair process of an Apple PowerMac G5 model number A1047 EMC 2061 from 2004. It was discontinued in 2006 as part of the Intel switch first to developers then consumers.

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Powers itself off after about 5 minutes.

PowerMac G5 DUal 2.0 Ghz PCI-X

Serial No. : CK411J3JQVJ

This PowerMac works perfectly... until it powers itself off.

I expect it needs a new PSU? but which one ?

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Seeing a kernel panic notice on screen?


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Energy Saver computer sleep & put hard drive to sleep settings.

Remember to return and mark accepted the answer that best solves your problem.

Good luck,


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Try this first +


To me it sounds like overheating of either the power supply, or the CPU. I'm sorry but I can't help you with the power supply diagnosis CPU overheating could be from myriad problems, sensors, logic board, fans, old dry thermal paste.



There are no Kernal Panics or such Screen output.

Nothing is logged in the system.log in Console.

The Energy / ScreenSaver settings are OK.

The power cuts out, just like the plug had been pulled, it is not a usual shutdown or timed logout sequence.


Please post this as a Update to your Question or a comment to my Answer only Answers belong here.


awaiting new PSU... will report back on result...


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jrpsupport zal eeuwig dankbaar zijn.

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