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: We Need Trump and Musk: I wonder if Trump and Musk might like to visit here after they have finished sorting out America! (posted 2025-02-11 at 11:40:37). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2025-01-30 Pragmatic Libertarianism: Freedom is important. Maybe it's all that really matters..