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Helpful answers
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Apr 7, 2012 8:01 AM in response to darwinfromdetroitlakesby japamac,A failing power supply is the reason.
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Apr 7, 2012 9:56 AM in response to darwinfromdetroitlakesby Texas Mac Man,First try a PMU reset See How to reset the SMU/PMU on a Power Mac Earlier G3, G4, G5 models...
http://support.apple.com/kb/HT1939
Your internal PRAM battery may be weak or discharged. Suggest you replace the battery. Check this site for battery part numbers and sources. https://sites.google.com/site/macpram/mac-pram-nvram-cuda-pmu-battery-tutorial Mac PRAM, NVRAM, CUDA/PMU & Battery Tutorial
Cheers, Tom
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by Muriel Areno,Sep 17, 2012 5:34 PM in response to darwinfromdetroitlakes
Muriel Areno
Sep 17, 2012 5:34 PM
in response to darwinfromdetroitlakes
Level 1 (5 points)
Apple MusicResetting the PMU button worked for me (G4 with mirrored doors). The computer is easy to open and the button easy to find. Yay (for now)!