That is called monitor flickering. happen to me before. now I have this model ET2150POP 21.5inch connected on both.[Blocked Image: https://www.eagle-touch.com/wp-content/uploads/2019/02/ET2150POP.jpg]
That is called monitor flickering. happen to me before. now I have this model ET2150POP 21.5inch connected on both.[Blocked Image: https://www.eagle-touch.com/wp-content/uploads/2019/02/ET2150POP.jpg]