The second monitor has a border around it when I set them to Extend at 1920x1080. The border is sometimes black, sometimes it has parts of the wallpaper inside, and sometimes has parts of the first monitor. Either way, I can't click in the border. It doesn't matter which monitor i make my main display. This goes away when i set the resolution of both monitors to 1366x768. Just FYI, I'm connecting the monitor to my Asus ROG laptop and the monitor is a Philips 21.5" connected via HDMI. My laptop detects that the optimal resolution for both is 1920x1080. Thanks for any insight.