I have a a Dell P2417h and a Asus PA248Q and when I turn off the Dell, Windows 10 will still sense the 2nd monitor. It will show 2 monitor icons in Display Settings and I can drag my mouse beyond my Asus monitor. So my desktop space is still extended. However, when I turn off the Asus, Windows will no longer sense 2 monitors. Display settings confirm only 1 monitor. Is there a way when I don't have the Dell connected, Windows will only show my desktop space on one monitor and not allow me to move windows beyond it?
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8/11/16 at 6:56pm