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Enable Extensions on M1 Macs

To enable non-Apple extensions on modern M1 Macs (2021 and later)

To enable system extensions, you need to modify the security settings in the Recovery environment.

To do this, shut down your system, then press and hold the Touch ID or power button to launch Startup Security Utility. In Startup Security Utility, enable kernel extensions from the Security Policy button.




I usually write a blog post about once a week. The latest post can be viewed here: Think for Yourself: In the end, everything is just an opinion. Be skeptical, and think for yourself! (posted 2026-04-25 at 21:12:02). Or go to the Home Page of My Blog to choose a post to view.

I do podcasts too! You can listen to my latest podcast, here: OJB's Podcast 2026-04-14 How Far is that Star?: How would we really know how big the universe is? Or subscribe to my podcast RSS feed, on my RSS Feeds page.

If you're not sure what to view from the thousands of pages on my site, here are some suggestions: My Latest Airshow Report (photos and movies from Warbirds Over Wanaka, 2026), My Favourite Wines and Beers (tasting notes for some of my favourites), An Interesting Astronomical Observation (learn a bit about astronomy from these observing notes), See Some Photos (A short rail journey through the Taieri Gorge), Read Some Mac Tips (Learn about how to use your Mac, and fix some problems).

Latest Site News and Notifications (Desktop): You are currently viewing OJB's web site, version 2.4 which has some major changes, and possibly errors! Please report any problems to ojb@mac.com.

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