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Apple Computing Products:
macOS - Desktop Hardware
Power Mac G4 cutting out during start up
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<blockquote data-quote="techiesteve" data-source="post: 1426573" data-attributes="member: 98520"><p>The main 2 reasons I've seen for a Power Mac G4 shutting down while booting up are either power supply or hard drive. To confirm or isolate the hard drive, simply remove the drive's ribbon cable and power on. It obviously won't boot, but does it now stay powered on? If yes, then diskwarrior the drive and if not successful replace it. If it still shuts down it's likely the PSU is failing.</p></blockquote><p></p>
[QUOTE="techiesteve, post: 1426573, member: 98520"] The main 2 reasons I've seen for a Power Mac G4 shutting down while booting up are either power supply or hard drive. To confirm or isolate the hard drive, simply remove the drive's ribbon cable and power on. It obviously won't boot, but does it now stay powered on? If yes, then diskwarrior the drive and if not successful replace it. If it still shuts down it's likely the PSU is failing. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Power Mac G4 cutting out during start up
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