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MacOS Monterey or Apple Studio Display Firmware Update has ‘bricked’ my Studio Display (resolved)

MacNewsDennis SellersMarch 31, 2022
posted on

Apple’s just-released macOS Monterey 12.3.1 or its Apple Studio Display Firmware Update 15.4 has “bricked” my Apple Studio Display.

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

Update: after numerous self-implemented restarts the Studio Display is now working fine. Not sure what cause the issue and why repeated power-ups were necessary, but, well, there you go.

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.
All posts byDennis Sellers

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