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G5 dual 2.0 rev B (June 2004)- sources for power supply?
Posted by: Joey Cupcakes
Date: August 25, 2008 10:04PM
After having been replaced under an Applecare warranty that expired about a year ago, it seems the power supply in my dual G5 has given up the ghost. (Starting today, it self shut-down half a dozen times and now won't stay lit up of more than a few seconds.)

If there's a proper source of a reliable replacement, I could take a crack at it myself.

Any suggestions on a source for that subassembly, or other suggestions on how to approach this short of bringing it in for pro service?I found a few sources on Google but thought someone here might want to suggest a source that they've been happy with in the past. Also, a source for a take-apart diagram or tutorial would be great.

I make my living with this machine and need to get up and going ASAP. Thanks.



Edited 1 time(s). Last edit at 08/25/2008 10:29PM by Joey Cupcakes.
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Re: G5 dual 2.0 rev B (June 2004)- sources for power supply?
Posted by: SparkyNimrod
Date: August 25, 2008 11:13PM
I had a Dual G5 2.0 that started doing that, and I also suspected I needed a new power supply. So I bought one from a company selling on eBay under the user name "wefixmacs". They seemed reasonable, and emailed me a PDF of installation instructions.

But before it arrived, I got a new motherboard battery from OWC, and popped that in. Sure enough that was all it needed - no more random or immediate shutdowns! If you haven't already tried that route, then you may be able to save a lot of time and money. If you have already tried that, well, feel free PM me about an unused PSU that's taking up closet space in my office. I've since given my G5 away, so it's not very useful to me. Either way, good luck! smiling smiley
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Re: G5 dual 2.0 rev B (June 2004)- sources for power supply?
Posted by: Joey Cupcakes
Date: August 25, 2008 11:17PM
I doubt it's the battery, but that's certainly worth a try. I'll PM you if that doesn't work- thanks!
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Re: G5 dual 2.0 rev B (June 2004)- sources for power supply?
Posted by: MacArtist
Date: August 25, 2008 11:17PM
That's a good tip, Sparky.

That's one thing I try to keep track of. One of the first things I do when working on older computers for the first time. I figure the battery lasts about 4 years and then it's time to replace.



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Re: G5 dual 2.0 rev B (June 2004)- sources for power supply?
Posted by: Joey Cupcakes
Date: August 26, 2008 02:49AM
Like I said, I will certainly give that a go, but I haven't seen a situation where the battery actually caused the machine to just shut itself down. In the old days the loss of the battery would cause the machine to forget certain boot-up prefs & the time, etc.
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