In the past when I’ve used Cintiqs I have never experienced the fan running nonstop while in use. Doing things like 3D of course will make the fan run. But the Luna Display, while in use, makes my MBP run a tad on the hot side and the fun just keeps going. When I close Astropad the fan turns off about two minutes later. Anyone know if there is a setting on Macs to curtail this, or does the Luna really put that much stress on a system?