Thread: Power Mac G5
11-28-2006, 11:18 AM #1Power Mac G5
power mac g5
i just replaced a bad power supply, now my computer fans are running very loud. before installing the new power supply the computer was ran quitely.
the firmware is up to date. reset the pram also.
11-28-2006, 10:13 PM #2
- Member Since
- Apr 29, 2006
- St. Somewhere
- iMac 27" 3.4 GHz, 256 GB SSD, 2 TB HDD, 8 GB RAM
Clearly something you have done has disturbed the fan control mechanism. Did you replace the power supply with an Apple (or Apple approved) part of the same model and number? Any chance that you failed to connect back up some temperature sensors? Any chance that you left cables etc. out of place inside the machine, disturbing air flow? If all else fails, you may need to take it in to the nearest Apple store for repair.My Macs: iMac 27" 3.4 GHz, Mac Pro 3.2 GHz, PowerMac G5 Quad 2.5 GHz, G4 Cube with 1.2 GHz Upgrade
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My OS': Mac OS X Lion, Mac OS X Snow Leopard, Mac OS X Tiger, Mac OS 9.2.2, openSUSE 10.3
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11-28-2006, 10:40 PM #3
my guess is maybe the wrong PSU
-chrisMoTM honor roll...
i dont remember
11-28-2006, 11:10 PM #4
I second coach_z. It sounds like the power supply unit may be causing the loud noise.New MacBookPro | 2.4 GHz Intel Core 2 Duo |2 GB RAMMac OS X Leopard Version 10.5.5 | iPod Touch 8 GB | iPod Classic 80 GB
11-29-2006, 10:33 AM #5
i switched the processors & the fans came back to normal.
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