this post was submitted on 26 Mar 2026
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Sounds like an issue on your end, not on DP's end. You can 100% just plug in a DP cable into a powered-on computer and have it work instantly.
Is it supposed to work, yes. But I've seen hundreds of computers not work right away and have to reinstall drivers, toggle things on and off swap the cords, then that cord work on another machine right next to it while the other cord worked in its place. Displayport should be great, but I've also seen ~20 of them just split and die at the end as well. Not the most durable, but that's probably manufacturing issues.
Thats a known issue with the Mac Mini when using monitors not made by Apple. I get the same issue when connecting my Monitor using HDMI to my M4 Mac Mini
It's an issue with some monitors, i need to unplug them and plug back in because of the monitor sleep mode or something doesn't talk right with the DP port in the computer