while I was using it there was a fizzle
An electrical noise from inside the machine?
Sounds as if your PSU has failed. Other than the remote chance of finding a shop that will work on it, you are likely left to repairing the machine yourself; ie, replacing the PSU.
First, one would want to test the PSU with a volt meter to verify what is exibited- no power.
Thanks for the reply japamac. I believe you helped me get my PowerMac G4 back up and running back in 2008. I'm happily using that machine again now as I futz with the G5
How would I find / test the PSU?
Would a replaceable part be available (to purchase new?) if it turns out to be the problem... or would one look around for a "parts G5"?
Thanks for patience with a novice repair person.
Is that tricky you ask? If your an electronic engineer with a $400 dollar electronic volt meter probably not, that is what they cost to accurrately check a power supply, the testing unit cost more than a power supply. That is why you got > they actually have no one who will even look at it.
It's a throw away and replace part. If you have a 10 year old TV would you take it to a repair shop with sophisticated test equipment, they don't exsist.
Your best bet is to purchase a older G5 on craigslist for parts to swap out you can get them cheap.
Absolutely thats exactly how it works. If you brought your computer to a shop they swap out hardware, not test it.
If your computer screen was getting distorted video this forum would tell you that the video card was bad and where to buy one.
What you'd do is plug into another monitor that you know works. Then a shop knows if it's the monitor or video card, that way they can determine on the best way to screw you.
If the computer works with another monitor then they know the monitor is good, the video card has to be good, but sell you one anyway. Could have been just the driver.
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Japamac..... just searched a bit and found a photo-detail description of removing the power supply on a G5. Wow.
The disassembly is involved. It does require no fear, manual dexterity, knowledge of machine assembly and the Apple Service Source manual helps.
Testing is done with the PSU still in the machine using a multimeter that can be purchased at a home center (not too expensive, ¥2000 or so, as determining if DC voltage is present and within range is all that is needed).
If you are interested, email me and I will email you a test instruction sheet pdf.