Martin Diers wrote: > I’m getting a 404 on that link. I’ll try it again later. It should work now. > FYI: This is the same hardware that I have used with argyll (via dispcalGUI) > many > times (A 15” Retina Macbook Pro), so it can’t be a hardware difference. Hmm. The debug should give a hint. It's possible 10.9 changes the default frame buffer driver to use a floating point frame buffer. Graeme Gill.