I would tend to agree, though it doesn't actually affect the overall brightness based on the room conditions. That's why I'm curious where MS has hidden all the registry keys where these settings are actually controlled.
I've tried just about everything, but can't seem to find a setting to stop this action. The screen on my laptop (Sony Flip 15A, intel4400/geforce735) seems to increase and decrease in brightness between screens. It's rather annoying not just because of the change, but also because it takes...