My Windows 10 start menu has a 1 px border that hovers on the outside of the menu (see image). The action center has one also. A clean windows install did not fix it. My monitor is set at the recommended resolution (1440p). I don't have zoom enabled. Any ideas?
http://s1378.photobucket.com/user/jahara21/media/Win10StartMenu_zpsedufsehu.jpg.html
http://s1378.photobucket.com/user/jahara21/media/Win10StartMenu_zpsedufsehu.jpg.html