Board Thread:Support Requests - Getting Technical/@comment-27794543-20161105075834/@comment-24473195-20161105134437

Indeed, it might be a bug, it seems that the minimum requirement  that it doesn't scale is "670 x 376". Either that or trying a higher resolution more than 900 x 600 and less than 2880 x 1920, maybe 1200 * 800.