Currently Being ModeratedJul 5, 2012 10:27 AM (in response to Stephen Purifoy)
Disconnect the data cable from the Hard Drive, then the Optical drive, see if Single User mode will boot.
How to reset the SMU/PMU on a Power Mac G5 (Late 2004) or Power Mac G5 (Late 2005) ...
Earlier G3, G4, G5 models...
Currently Being ModeratedJul 10, 2012 10:01 PM (in response to Stephen Purifoy)
If you're sure the RAM is good, try the Hair Dryer trick...
No power light at all...
It can show on any G5, and even many other computers & electronic devices of the period.
And see this last one in particular...
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