Daughter-units carefully built the case this past weekend that I should clean out the cubbyhole beneath the basement steps, so they could enjoy a Harry-Potter-style playspace. I accepted this value proposition, cleared and restacked all of the junk in the space, and sorted through many papers that had accumulated since the move from Leatherstocking Country to the Front Range. The dust raised in clearing this space out unfortunately settled inside our always-on PowerMac G4.
It now sounds like an elevator, grinding up and down with varying pitch and volume but overall sounding not well. After some browsing and some redneck troubleshooting, I have cleared the cooling fan and the hard drives, and figure it's the fan in the power supply. I'll heed the warnings this time and not enter the supply, unless I get very desperate.
Fortunately also, Apple's support pages show how to disassemble this model and replace the power supply, if I can come up with one. So it's off to some computer boneyard or other to find one, or a close-enough form/fit/function replacement.
This topic continues here.
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