iiyama

Hi. My monitor is GB2488HSU IIyama. Sometimes i can see on screen weird little spot,screens: Not my screens,but the same: https://s2.postimg.org/c7k1y0h09/image.jpg https://s12.postimg.org/93scju6t9/image.jpg But this doesnt look like bad pixel. More like smudge or something. Also this...