Situatie
All MacBook Air models have nonremovable batteries. So do MacBook and MacBook Pro models that were introduced in mid-2009 until the present, except for the 13-inch mid-2009 MacBook. This method is not recommended for Macs with the Apple T2 security chip introduced in 2018.
To reset the SMC:
Solutie
Pasi de urmat
- Shut down the Mac.
On the built-in keyboard, simultaneously press and hold the left Shift, left Control, and left Option keys on the keyboard while you press the power button for 10 seconds. (If you have a MacBook Pro with Touch ID, the Touch ID button is also the power button).
- Release all the keys at the same time.
- Press the power button to start the Mac.
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