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Q: A1076 20" G5 iMac Identifying fans

I have recently repaired a blown capacitor on my old iMac and replaced the hard drive, but since doing so,

one of the fans suddenly sounds like a jet! I have ran the Apple Hardware Test and it reported: 2FAN 4/8 system fan

I know there is a left upper fan and a right upper fan and also a small lower intake fan, but which is

the test referring to? I've checked all over but cannot find any reference for system fan! Please help!

iMac

Posted on Nov 23, 2015 6:15 AM

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