Hi there, I am using a retina macbook pro 2013 with an external display, the dell u2312hm. I am currently using a startech mdp to dvi adapter. For some reason, the text appears to be weird. It's like I can see shadow around letters and some reddish-bluish colours depending of the words or the font used. Is this normal? I remember using my early 2008 macbook pro with mavericks installed to and I did not have this problem (dvi to dvi). The problem still happens when using my wife's macbook air 2012 with the same adapter and the same screen. Is this my screen's pixel rending mode or what? Is this mavericks who changed things?? It's pretty annoying because my text is blurry and weird colours on it (sometimes). I will try to take a picture if my camera is good enough. Thank you.