Imac model featuring Retina 5k display, 27-inch screen, released in late 2015.
Imac model featuring Retina 5k display, 27-inch screen, released in late 2015.
IMac experiences brief interruptions while starting up. During a freeze, it remains unresponsive for roughly 60 seconds. After initializing, the Bluetooth icon displays a diagonal line. The Bluetooth mouse and keyboard remain functional. Pressing the icon causes the system to become locked. Operating system version is macMonterey 12.1
Check if the AirPort card is working properly. Would you like me to guide you through a fresh installation of macOS?
I reinstalled the OS without a clean install, choosing to keep my files. I also observed that turning it off and allowing it to cool down to room temperature lets it boot up properly. The cooling fan appears to be functioning correctly.