iMac 27" 2011 secondary heatsink running high & is hard to cool
In my 2011 27” the secondary heat sink to the power supply is running 20˚C hotter than the primary and the proximity sensor, and even with specific and detailed control of the air flow with TG Pro is very hard to cool.
WHY this specific heatsink’s higher temperature?
And where is it placed on the board? I have not been able to locate its position.
Since it’s to do with transporting heat away from the power supply, I assume it has nothing to do with thermal paste?
Requested image of heat sensor output from TG Pro
The heat sink in question is the power supply heat sink.
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