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macOS Tahoe update breaks using external display in clamshell mode
- paulbjensen 3mo agoI've just run into this issue. At first I thought that there was something wrong with the cable or the power, but now stumbled on this thread. Laptop: 13" MacBook Pro, M1 processor, 2020 edition Display: Apple Studio Display
- paulbjensen 3mo agoUpdate: Running this in the terminal works: sudo pmset -a disablesleep 1 And if you want to revert that, run this: sudo pmset -a disablesleep 0