I just got the new (non-retina) MacBook Pro a few days ago, and I've noticed that at random times while in Mac OS (Mountain Lion, so that might have something to do with it) the screen temperature changes from the default warm to a much cooler, blue temperature. Going into the display settings shows that the actual color profile didn't change at all, and none of the profiles restore the warm default temperature. A restart will make the change disappear and revert to the warm tone, however, simply continuing to use the computer in the blue tones will eventually revert it back to warm on its own. This is not only annoying, but makes working in color-dependent programs like Photoshop very hard. Why is this happening? ---------- Upon closer investigation, it seems opening Photoshop itself causes the screen to change temperatures, and closing it reverts to the warm. I'd blame Photoshop, but the screen has changed temperatures previously while Photoshop wasn't even running. ---------- Third edit: okay, it seems there are certain apps that trigger the screen temperature change. Photoshop, The Sims 3, and others I haven't discovered yet. Is there some sort of auto-screen change setting introduced in Mountain Lion?