Following from my last comment, after setting "nomodeset" at boot time, full screen video (or enlarged up to a certain size) looks weird, as if it was decomposed on separate color grids that have different offsets.
Following from my last comment, after setting "nomodeset" at boot time, full screen video (or enlarged up to a certain size) looks weird, as if it was decomposed on separate color grids that have different offsets.