I own a mid-2012 classic MBP. I play League of Legends, and recently discovered (accidentally) that the game runs perfectly fine under Integrated Graphics. In fact, the computer itself was less hot and ran much MUCH quieter than under Dedicated Graphics. Since League of Legends is the most graphic intensive application I have, I would like to know if I'm causing any harm, physical or otherwise, by forcing my computer to stay on Integrated Graphics at all time. I'd like to not wake up to a hole on the underside of my laptop one day because of stress under forced settings.