About the SMC Firmware Updates

SMC Firmware Updates refer to the System Management Controller (SMC) firmware update for Intel-based computers. The SMC is a micro-controller on the logic board that controls the power functions for your computer. The SMC controls various functions, including: Power and thermal management, the Sleep LED, and battery. Controlling the fans, supporting Sudden Motion Sensor, Ambient Light Sensor (ALS), and the power switch. Tip: Print or write down these instructions before you begin installing the update.