MacOS Monterey/Studio Display update temporarily bricked my Studio Display (again)

Is it just me?! Apple’s just-released macOS Monterey 12.4 an/or the “standalone” Studio Display Firmware Update 15.5 temporarily “bricked” my Apple Studio Display. The same thing happened in March with the macOS Monterey 12.3 an/or the “standalone” Studio Display Firmware Update 15.3.

As shown in the graphic, the display just turns on with a monitor icon and an exclamation mark. In both cases, neither disconnecting my MacBook Pro or unplugging and replugging the display has rectified the situation.

After numerous self-implemented restarts the Studio Display would work fine. Not sure what cause the issue and why repeated power-ups were necessary. Have you experience this issue?

Dennis Sellers
the authorDennis Sellers
Dennis Sellers is the editor/publisher of Apple World Today. He’s been an “Apple journalist” since 1995 (starting with the first big Apple news site, MacCentral). He loves to read, run, play sports, and watch movies.


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