Resetting the SMC on new model iMac, iMac Pro, Mac mini, and Mac Pro desktop Macs have a T2 security chip is a different procedure than on earlier models of the same hardware.

SMC, which stands for System Management Controller, handles a variety of hardware functions on the Mac, including power, fan operation, some ports, and much more. Thus resetting the SMC is a common troubleshooting technique when the hardware side of things are not working as expected on a Mac (along with resetting NVRAM / PRAM).

This tutorial will walk through how to reset the SMC on iMac…