M1 M Mini using Imac27" with SSD Monitor fan noise

[presofgrv]

Just set up my new M1 Mac Mini with 2010 Imac 27" monitor which has an SSD works well, but have fan noise from the IMAC which is normally controlled by a fan program, but now running as a monitor how do I reduce the fan noise

 

[pshufd]

The design of the 2009 and 2010 iMac 27s is that the back is used as a heat sink. The fans don't really remove heat from the heat sink. So what happens is the heat builds up on the back case during the day and it collects around the back of the iMac. What I've found is that a fan that blows some air on the back of the case helps to keep the internal fans spinning at base or near base levels.

Your fan control program should still run while the iMac is in Target Display Mode. When you come out of Target Display Mode, all of your programs should still be there. Does the fan control program not work in TDM?

 

[presofgrv]

The design of the 2009 and 2010 iMac 27s is that the back is used as a heat sink. The fans don't really remove heat from the heat sink. So what happens is the heat builds up on the back case during the day and it collects around the back of the iMac. What I've found is that a fan that blows some air on the back of the case helps to keep the internal fans spinning at base or near base levels.

Your fan control program should still run while the iMac is in Target Display Mode. When you come out of Target Display Mode, all of your programs should still be there. Does the fan control program not work in TDM?

It seemed to be ok yesterday and at the moment so see how it goes, thanks for response