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: Learning from Failure: I think there is a place for parties with views I find insane. (posted 2024-11-28 at 12:41:49). 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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