Mac PowerPC G4 won't complete boot; will start randomly- then crashes without symptom

pmitch · pmitch #1 (**permalink**)

04-06-2012, 03:14 PM

Mac Dual 1 GHz PowerPC G4, 1.5 GB SDRAM, OS 10.4.11

Mac PowerPC G4 won't turn on; will start randomly; crashes shortly after boot. Mac Dual 1 GHz PowerPC G4, 1.5 GB SDRAM, OS 10.4.11

Power light lights up, but then instantly goes out after releasing button. Fan turns on. Then shuts down with a click. Then after usually 3-20 attempts, the computer starts up and runs from 5 minutes to 36 hours of use. And then same cycle.

Fixes already tried: PMU reset button. New battery (2 months)

Any help greatly appreciated!

louishen · louishen #2 (**permalink**)

04-06-2012, 03:20 PM

I would consider a fresh install - you've already done then PMU and battery

louishen #2 (permalink)
Member Since: Oct 22, 2007 Location: London Posts: 8,654 Mac Specs: Mac Mini Core i7 2012 \| White 2009 MacBook 2 Ghz \| 733 Mhz G4 Quicksilver	04-06-2012, 03:20 PM I would consider a fresh install - you've already done then PMU and battery Member of the Month September 2008 & August 2012 \| Found advice useful? – use the rep system
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Mac PowerPC G4 won't complete boot; will start randomly- then crashes without symptom

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pmitch #1 (permalink)
Member Since: Apr 06, 2012 Posts: 1	04-06-2012, 03:14 PM Mac Dual 1 GHz PowerPC G4, 1.5 GB SDRAM, OS 10.4.11 Mac PowerPC G4 won't turn on; will start randomly; crashes shortly after boot. Mac Dual 1 GHz PowerPC G4, 1.5 GB SDRAM, OS 10.4.11 Power light lights up, but then instantly goes out after releasing button. Fan turns on. Then shuts down with a click. Then after usually 3-20 attempts, the computer starts up and runs from 5 minutes to 36 hours of use. And then same cycle. Fixes already tried: PMU reset button. New battery (2 months) Any help greatly appreciated!
	QUOTE Thanks

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