Can a power supply be weak but not dead?
My PowerMac G5 dual 2.3 early 2005 would not power on for a couple of days. Clicking the power button would get a single light flash and a click, the fans would try to start spinning but fail, and it would quit. I tried all the usual resets, unplugged this and that, and gave up. A couple of days later I tried it again just for the heck of it and it started. The last thing I had unplugged was a drive connected by eSATA to a PCI-x card. But, I plugged that back in and it still worked.
A week or so later, it stopped again. Unplugging things from PCI cards seemed to get it going again. But, continuing to experiment, it went with it plugged in once again on one of the tries. Intermittancy. Could it still be the power supply, or are the either good or bad?
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