I'm having problems with my old Mac Pro. The PSU is always running on full rpm.
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Any idea how I can trouble shoot this problem?
Any idea how I can trouble shoot this problem?
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PSU fan always full song on MP2.1 - resolved!!
- Thread starter gugucom
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Have you tried an SMC reset? http://support.apple.com/kb/HT3964?viewlocale=en_US
I had to do this with a simalar issue on an old iMac.
I had to do this with a simalar issue on an old iMac.
Problem resolved. I took the GPU, the optical bay and the PCI bay fan unit out and reset all power connections. It was probably a loose connector.