Those of us who are using Macs must have heard about resetting the SMC. What is SMC? When do I need to reset the SMC? When we encounter problems such as abnormal lighting, failure to turn on, keyboard light off, and failure to charge in while using Mac, then we need to reset the SMC. Resetting the System Management Controller (SMC) can resolve certain issues related to power supplies, batteries, fans, and other functions. Next, the editor will give you a detailed introduction to the method of resetting the SMC on a Mac. I hope it will help you!
Desktop
Follow the steps below to reset the SMC on iMac, iMac Pro or Mac mini.
1. Turn off the computer.
2. Unplug the power cord.
3. Wait 15 seconds.
4. Reconnect the power cord.
5. Wait five seconds, and then press the power button to turn on the computer.
Recent MacBook (with non-removable battery)
If the battery is not removable, follow the steps below to reset the SMC on your MacBook. This includes all MacBook Air, MacBook and MacBook Pro from 2009 or later.
1. Turn off the computer.
2. Unplug the power cord.
3. On the built-in keyboard, press and hold (left) Shift, Ctrl and Option (Alt) keys and the power button at the same time. Hold them down for ten seconds.
4. Release all keys and the power button at the same time. 5. Press the power button to turn on the computer.
Note: When resetting the SMC, the LED on the MagSafe power adapter may change state or temporarily turn off.
Older MacBook (with removable battery)
Please follow the steps below to reset the SMC on your MacBook with a removable battery. If your laptop was manufactured before mid-2009, it may apply to you.
1. Turn off the computer.
2. Unplug the power cord.
3. Take out the battery.
4. Press and hold the power button for five seconds, then release it.
5. Put back the battery.
6. Reconnect the power cord.
7. Reopen the MacBook.
The above is the method to reset SMC on Mac that Xiaobian brought you today. I hope it will be helpful to you. If you want to know more about Mac-related knowledge, please pay attention to macz!