How To Reset The SMC On MacBooks - IFixit Repair Guide

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How to Reset the SMC on MacBooks

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.

1. Step 1 Does your MacBook have a T2 security chip?

   • These MacBooks have a T2 security chip:

   • MacBook Air introduced in 2018 or later

   • MacBook Pro introduced in 2018 or later

   • If it has a T2 chip you can reset the SMC as follows (if not, skip this step):

   • Hold the "Control" and "Option" (Alt) on the left side of your keyboard and the "Shift" on the right side of your keyboard for 7 seconds.

   • Then additionally press and hold the power button and keep holding all four keys for another 7 seconds, then release them.

   • Press the power button after few seconds to turn on your MacBook.

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