Reset power manager macbook3/31/2023 ![]() Computer fans are controlled by the SMC and a corrupt SMC firmware can cause odd behavior involving the fans.īacklights and indicator lights: If the backlit keyboard or display backlights aren’t working properly, then before taking your Mac to the nearest Apple Store, you might want to consider resetting your SMC, as it’s responsible for controlling the brightness of your keyboard backlight and display backlight, and the SMC also controls the system indicator light on Macs that have them, as well as on battery indicator lights on Macs that have them. Various system backlights and indicator lightsĬomputer fan speeds: If you’re noticing problems with your computer fans, as in they’re running too loudly, or not running as much as they should be, then your SMC may need to be reset to resolve this problem.What is the system management controller (SMC)?Īs noted in an Apple support document, the system management controller (SMC) is a system that controls different kinds of hardware on your computer that the main heart of your computer system isn’t responsible for. In this tutorial, we’ll not only explain the SMC to you, but we’ll walk you through how to reset SMC on Mac when you’ve tried every other troubleshooting step imaginable. ![]() This system controls a wide variety of low-level processes on your Mac that control various kinds of built-in hardware on your machine.Īt times, your machine may start acting sporadically, and in these circumstances, a reset of your SMC is required. ![]() ![]() Intel-powered Macs include a system management controller, commonly referred to as SMC for short. ![]()
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