Solution Saga Lout Jan 18, 2018 You have to tell Windows which monitor you want to use in Control Panel>Display settings.
Saga Lout Olde English Mar 31, 2010 5,745 57 46,800 Jan 18, 2018 Solution #2 You have to tell Windows which monitor you want to use in Control Panel>Display settings. Upvote 0 Downvote Solution