MacBook Air and MacBook Pro models introduced in 20118 or later include the T2 chip. Resetting the SMC works slightly differently on different Mac computers: MacBook models with the T2 chip Different Mac models require different steps. Resetting the System Management Controller (SMC) If these standard tips do not work for you, then it is time to reset it. And then press and hold the power button to turn on your Mac. Press and hold the power button for 10 seconds. If your Mac is unresponsive, force your Mac to shut down by pressing and holding the power until your computer turns off.Restart your Mac by choosing the Apple menu from the upper-left menu bar and then Shut Down.Press Command + Option + Escape, do you see any unresponsive apps? If so force quit it.Test the issue after completing each troubleshooting step to determine if your issue still occurs: (How to see what apps are running on your Mac)īefore resetting the SMC, try the standard troubleshooting tips below. Your Mac is running extremely slow even though Activity Monitor does not show any unusual activity.Your Mac’s lights (such as status indicator, keyboard backlight, battery indicator lights) behave incorrectly.The fans run constantly even though your Mac is not experiencing heavy use.Your Mac sleeps or shuts down unexpectantly. Your Mac’s power button is not working, nothing happens when pressed.The followings are some of the signs you may see that may require you to reset it: For example, if you are experiencing power or battery problems on your Mac (e.g., the battery is not charging,), you may want to reset the SMC. There are a number of macOS problems that could be fixed by resetting the SMC. Note: You cannot reset the SMC on Macs with Apple silicon. It is possible that the SMC could experience issues that may cause bizarre system behavior. The System Management Controller (SMC) is a subsystem that controls all power, light, and sensor functions for your Mac. This article further details how you can identify these conditions. In some situations, you may need to reset your computer’s SMC to fix various issues. This article explains how and when you can reset the SMC of your Mac.
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