They hadn't encountered this issue before, had some great ideas on the cause and possible solutions, but we were unable to fix it. I spent over an hour on the phone with Apple Care yesterday, the two guys who tried to help me were stumped. User Approved Kernel Extension Loading… – Pike's Universum I would recommend waiting until 10.13.1 or 10.13.2 to see if the issue gets fixed, and then undoing this fix by repeating the same steps, but typingįor more information, see the following website: You will no longer see the notification panes telling you a Kernel Extension was blocked they will all be automatically allowed, just as they were in macOS 10.12. Then reboot your Mac, and you should be good. Please restart for changes to take effect. You will see a '$' prompt in the terminal window. A window will open up that allows you to type text-based terminal commands.

If you look at the top of the screen, where the Apple menu would ordinarily be, you will see a 'Utilities' drop-down menu. On my machine, I had to hold command-R for quite a while, at least 60 seconds.Įventually you will see a screen that gives you a couple of options, including reinstalling or running Disk Utility.

Basically, you can turn off the security feature requiring user approval of Kernel Extensions.įirst, boot into Recovery Mode by rebooting and pressing and holding command-R as soon as you see the Apple logo. It isn't a great workaround, security-wise, but it does get you back to the behavior of macOS 10.12.

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