Hello, I had good luck with a replacement bought on Ebay from Baltimora2000. The cost was about $170.00 and he will buy back the dead power supply. Hope this helps, Scot "Bruce" Nakamura On Apr 26, 2010, at 4:06 PM, Thomas DeBoni wrote: > I've seen the discussions on this issue, but never paid any > attention to them, and now I regret it. Let me beg pardon and ask > for advice. > > I have a PowerMac G4 MDD (FW400) that I ran for quite a while > packed with stuff: about maximum RAM, an Apple Cinema Display, a > SCSI Raid system, three other internal HDDs, PCI cards for SCSI, > FW800, etc. While it ran, it was fast and responsive, but it got > flaky, and I couldn't stabilize it with a lot oƒ effort and various > measures. So, after spending about $250 on useless and > nonproductive "professional" repairs, I shelved it. > > Now, I'm given to understand the problem may well have been a > failing power supply. I don't know how one would test for this, but > assuming this IS the problem, can anyone tell me (1) where to get a > good replacement, (2) how much it might cost, and (3) anything else > an obvious ignoramus might need to know? > > Thanks! > Tom > > _______________________________________________ > G4 mailing list > G4 at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/g4