These laptops include... MacBook 13 inch, mid 2009. All MacBooks and MacBook Pros, early 2009 and before.
Shut down. Remove the battery. Press and hold the power button for 5 seconds. Release the power button. Reinstall the battery. Turn on the Mac normally.
I usually write a blog post about once a week. The latest post can be viewed here: The Social Sciences: I hope you can see where my general frustration with social science comes from! (posted 2024-10-25 at 12:18:53). 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..