PhotoLogic wrote:
In macOS 12.5.1 Monterey on an iMac (Retina 5K, 27-inch, 2017),
System Preferences / Network / "Turn WiFi On” button does not work, and it’s grayed-out in the top Main Menu.
What may cause this?
Thank You,
Bruce C.
Have you tried rebooting..?
Verify the hardware is recognized by the System.
>(Option key) System Information>Network>WiFi —if not you have a hardware issue.
Try a SafeBoot How to use safe mode on your Mac - Apple Support will sort many anomalies
In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test /assessment
Make an appointment for a "hardware issue"
Genius Bar Reservation and Apple Support Options - Apple
Outside the USA
Find Locations - Apple
Learn how to get your Mac fixed and how much it will cost. Mac Repair Service Mac Service & Repair - Apple Support
Get your Mac ready for service - Apple Support Get your Mac ready for service - Apple Support