Introduction

If you have done a logic board or battery replacement, you can reset your MacBook's SMC. You may also use this as a first-aid measure if you’re having power issues with your MacBook.

  • First, determine whether the battery is removable.

  • These models have a non-removable battery:

    • MacBook Pro (Early 2009) and later

    • all models of MacBook Air

    • MacBook (Late 2009)

    • MacBook (Retina, 12-inch, Early 2015) and later

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  • Shut down your Mac.

  • Unplug the MagSafe or USB-C power adapter from your computer.

  • Using the built-in keyboard, press Shift-Control-Option on the left side of the keyboard, then press the power button at the same time. Hold these keys and the power button for 10 seconds.

  • Release all keys.

  • Reconnect the power adapter.

  • Press the power button again to turn on your Mac.

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  • Shut down your Mac.

  • Disconnect the MagSafe power adapter from your computer.

  • Remove the battery.

  • Press and hold the power button for 5 seconds.

  • Reconnect the battery and MagSafe power adapter.

  • Press the power button to turn on your Mac.

  • The LED on the MagSafe power adapter might change colors or temporarily turn off when you reset the SMC.

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Conclusion

The SMC of your MacBook has now been reset.

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mikeyd123

Member since: 04/04/2018

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