If you're using a non-Apple USB-C to HDMI adapter and the projector/display is getting a signal but only shows a black screen, or the image flickers, then you may need to change that screen's refresh rate to 60Hz in the Display Preferences of the MacBook and/or change the screen resolution setting.
MacBook using non-Apple USB-C to HDMI adapter Print
Modified on: Fri, 4 Mar, 2022 at 4:39 PM
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