https://forums.autodesk.com/t5/autocad-forum/autocad-2016-screen-artifacts-after-file-gt-open/m-p/5664294#M326157 Turn off LINESMOOTHING and LINEFADING variables.<BR />If you still see issues, start GRAPHICSCONFIG command and turn off even more settings.<BR /><BR />ALso see if Autodesk has a dedicated driver for your video card/OS/AutoCAD here <A href="http://usa.autodesk.com/adsk/servlet/syscert?siteID=123112&amp;id=18844534" target="_blank">http://usa.autodesk.com/adsk/servlet/syscert?siteID=123112&amp;id=18844534</A> Thu, 04 Jun 2015 12:53:46 GMT pendean 2015-06-04T12:53:46Z