Normal Operating Temperature?

[Slarney]

Does anybody know what the average internal temperature for a 2009 iMac which runs on OS X Yosemite?

 

[stuartak]

Does anybody know what the average internal temperature for a 2009 iMac which runs on OS X Yosemite?

Depends what the room temp is , there are a number of temperatures monitored and the results are dependent on what your machine is doing , if you are fully loading the CPU and GPU it will get hotter . The results below are the temps of my 2009 i7 machine. The ambient temp was 19C