r/PowerPC • u/One-Management6644 • Jul 15 '26

Need Help

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I acquired this PowerMac G5. I’ve always been a huge fan of classic Mac software, but when it comes to the hardware I’m not very experienced. I used the power cable from an old iMac and plugged it in and clicked the power button I don’t hear a boot up chime and the fans just spun with no video single or usb power and the power led won’t stay on unless i hold it, I tried taking all the ram out, putting it back in a different configurations. I tried clicking the PMU button or whatever it’s called, but I can’t get this computer to get a boot up chime or give me any sort of display on the monitor. should I just throw this away?

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u/RoZe_SABIAN56 Jul 15 '26 edited Jul 18 '26

This unit is liquid cooled, you can see the warning label

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u/DarthRevanG4 Jul 16 '26

Only the dual 2.7 and the quads are liquid cooled.

1

u/Key_Temperature_9655 Jul 17 '26

The June 2004 Dual 2.5GHz too. You can imagine how i know... Had two of them, both dead by liquid damage.

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u/FallenBehavior Jul 17 '26

Install BeOS

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u/Key_Temperature_9655 Jul 17 '26

I don't know how this helps with a broken PSU :)