rogdog

Floris: Awesome! I've been miserable since Yosemite killed my Seiki 4K monitor. It was so great to see 3840x2160 (30 MHz) reappear in my SwitchResX resolutions! In the future, I...

If you are having trouble, I suggest that you ensure you are using an HDMI 1.4 Active Adapter. As an experiment, I temporarily replaced mine with an old passive adapter...

Not quite. I think Mac video ports are Mini DisplayPort, not full-size DisplayPort, so that looks like the wrong cable. Two 4k displays simultaneously? I'm skeptical. But, with that setup,...

FYI: After thoughtlessly pushing the button to upgrade to OSX 10.10.1, I went into a panic, worrying that I would lose my 4K. The monitor came up in 1K. I...