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SMC Reset Older Laptops with Nonremovable Batteries

These models are included...
All MacBook Air models.
MacBook and MacBook Pro models after mid-2009, except the 13-inch mid-2009 MacBook.

Shut down the Mac.
Press and hold these keys: left shift, left control, left option keys.
While pressing these, also press the power button for 10 seconds.
Release all the keys.
Press the power button to start.

Note 1: This only works using the internal keybiard.
Note 2: Don't use for Macs with the Apple T2 security from 2018.



I usually write a blog post about once a week. The latest post can be viewed here: A Win for MAGA: So the US has chosen Trump, despite the massive forces against him. (posted 2024-11-06 at 20:42:51). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2024-08-22 Stirring Up Trouble: Let's just get every view out there and fairly debate them..
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