Currently Being ModeratedJun 9, 2013 3:45 PM (in response to Pat Paddy)
Have you done a PRAM reset, CMD+Option+p+r...
In fact, do 3 in a row, takes a bit of time.
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 ModeratedJun 18, 2013 6:04 AM (in response to BDAqua)
Hi, I have the same problem, I reset the PRAM, but the MAC G5 wont's start up.
I desconnected the electrical cable, press the start button, connect the cable and then wait 10 secs, after push the start button. No good .
Who have an idea ?
(sorry for my english)
Currently Being ModeratedJun 18, 2013 11:58 PM (in response to BDAqua)
the red led coming on for half second, the power light coming on, ... a double "TIK" sound, and than the power light on in the G5 and in the monitor (cimena 20") stay "ON", but the MAC is not running.
Currently Being ModeratedJun 20, 2013 1:43 AM (in response to maucat)
Here's some more info on G5 PSU voltage values:
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