Wifi not turning on

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Wifi not turning on

My Wi-Fi was operating well without issues on my Macbook Pro 15" mid 2012. However after upgrading my OS Catalina operating system to the Security update my wifi now will not turn on. I can no longer select wifi to turn on. I have been through system reboot.

system Pref > Network > Wi-fi. cannot turn on. I have attempted to make wifi inactive and rebooted with no luck. Other than reinstalling operating system without security upgrade is there any other options I can try before visiting a computer store.

MacBook Pro 15″, macOS 10.15

Posted on Oct 5, 2023 2:55 PM

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Answer 1

Top-ranking reply

D.I. Johnson

Level 8

36,089 points

Oct 5, 2023 5:43 PM in response to Apple TV movies

If a simple reboot of your Mac doesn’t fix things, see if the problem still happens in Safe mode (press and hold the shift key down at startup). It can take much longer to safe boot (5 min) so be patient.

How to use safe mode on your Mac - Apple Support

Safe mode is non-destructive to user data. It’s not a cure-all, but very often corrects weird software behavior by forcing the OS to do cache clearing and other housekeeping. When you're in safe boot, the machine will not be at its best performance, especially with graphics, but that's expected.

Does the problem persist while in Safe mode?

Often not required, but consider allowing the Mac to "soak" in Safe mode for a couple hours to allow maintenance routines and processes time to complete, then exit safe mode by restarting your Mac normally and re-evaluate the issue again.

If the problem is still unresolved, please return here and post a reply and we’ll see what else we can come up with for help.

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Answer 2

Oct 7, 2023 4:56 AM in response to D.I. Johnson

Thanks D.I. Johnson.

I tried what you have sent and no luck. No change to the wifi being able to be activated.

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Wifi not turning on

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