This functionality has been replaced by the SMC.
![smc fan control imac smc fan control imac](https://i.stack.imgur.com/Mp2pa.png)
#Smc fan control imac pro
Unlike models of Power Mac G5 or Power Mac G4 computer, the Mac Pro computer does not have a PMU. Note: Mac Pro (Early 2008) does not have an SMC_RST switch, refer to the reset procedure steps in the previous section. Use a non-metallic, non-conductive object, such as a wooden pencil. Press the SMC_RST switch that is located slightly below and to the right of the row of diagnostic LEDs.Open and remove the metallic outer door.Press the power button to start up your computer.Īnother way to reset the SMC on a Mac Pro computer is:.Then reconnect your keyboard and mouse to the computer. Plug the power cord back in, making sure the power button is not being pressed at the time.
![smc fan control imac smc fan control imac](https://d4.alternativeto.net/U6ovKSP6F4kpFnSZpp3prhFYd4p5AjdXG0Lh7CFzFaA/rs:fill:400:400:0/g:ce:0:0/YWJzOi8vZGlzdC9zLzNiYjgzYWNlLWYwNzMtNDE2OS1iNTcxLTZhMTJiY2UwZjllZV8xX2Z1bGwuanBn.jpg)
![smc fan control imac smc fan control imac](https://img.gadgethacks.com/img/94/66/63541897374634/0/take-control-over-your-macbooks-fans-for-cooler-smoother-running-laptop.w1456.jpg)
Telling the computer when to turn on, turn off, sleep, wake, idle, and so forth.The SMC controls several functions, including: If your computer is experiencing any power issue, resetting the SMC may resolve it. The System Management Controller (SMC) is a chip on the logic board that controls all power functions for your computer.