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markson_92
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macOS Sequoia 15.3 update not detecting external monitor

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I just updated my Mac to Sequoia 15.3 and now my second screen is completely useless. The monitor worked fine literally an hour before the update, but now the Mac doesn’t even pick it up. Tried different cables, restarted twice, even messed with the display settings but nothing shows.

Really annoying because I use this setup for work every day. Is this some bug with 15.3 or am I missing something simple?

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