Teach your laptop to treat a secondary monitor as the primary display

I’m not much of a gamer, but I still play about 15 minutes of Diablo III on my notebook every day. (I figure I should finish the game just in time for Diablo IV to come out.) One annoying thing about the game—an irritation that also affects desktop programs and Windows 8 apps—is that if you’ve connected your notebook to a second monitor, newly opened programs still default to your primary display. Check the article from PCWorld.com