How to Reset SMC on Mac

Joel Mason

Mac, Tutorials

In this tutorial, we will learn how to reset the System Management Controller (SMC) on a Mac. The SMC is responsible for managing various hardware functions on your Mac, such as power management, thermal management, battery charging, and more. Resetting the SMC can help resolve issues related to these functions.

When to Reset the SMC

If you are experiencing any of the following issues with your Mac, it may be worth trying to reset the SMC:

  • Power-related issues: Your Mac won’t turn on or wake from sleep.
  • Battery-related issues: Your Mac’s battery isn’t charging properly or draining quickly.
  • Fan-related issues: Your Mac’s fans are running at high speeds even when not under heavy load.
  • Performance-related issues: Your Mac is running slower than usual or experiencing frequent freezes.

How to Reset the SMC on a MacBook with Non-Removable Battery

If you have a MacBook with a non-removable battery (such as MacBook Air or newer MacBook Pro models), follow these steps to reset the SMC:

  1. Shut down your Mac.
  2. Connect your Mac to a power source.
  3. Press and hold the Shift + Control + Option keys along with the Power button.
  4. Release all keys simultaneously.
  5. Your Mac may turn on automatically or you can press the Power button to turn it on.

Your SMC should now be reset. Test your Mac to see if the issues you were experiencing have been resolved. If not, you can try resetting the SMC again or consider contacting Apple Support for further assistance.

How to Reset the SMC on a MacBook with Removable Battery

If you have an older MacBook with a removable battery, follow these steps to reset the SMC:

  1. Shut down your Mac.
  2. Disconnect your Mac from any power source.
  3. Remove the battery from your Mac.
  4. Press and hold the Power button for at least 5 seconds.
  5. Reinsert the battery.


Resetting the SMC will not delete any of your personal data or settings. However, it is always a good idea to regularly back up your important files before performing any system maintenance.

In conclusion, resetting the SMC can help resolve various hardware-related issues on your Mac. By following the steps outlined in this tutorial, you should be able to reset the SMC on both MacBook models with non-removable batteries and those with removable batteries.

We hope this article has been helpful in resolving any issues you may have been experiencing with your Mac. If you have any further questions or need additional assistance, feel free to reach out to Apple Support or visit the official Apple website for more information.

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