Guest DamnTrain Posted June 9, 2022 Posted June 9, 2022 So now my Mac Pro 5,1 has been upgraded with an RX560 graphic card. Now there is an issue related to its HDMI output: When switching the signal away from Mac running macOS (10.14) to another source and then back on the monitor (e.g. Switching from the Mac on HDMI2 to the Xbox on HDMI1, then back to HDMI2), either the monitor can no longer pick up the signal from the Mac or the Mac shuts off the video signal. The monitor stays black as if the Mac is not turned on. And this could only be... Read more Source: MacRumors
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