https://forums.autodesk.com/t5/autocad-forum/autocad-2016-how-to-use-directx-11/m-p/5557372#M335683 <P>Pretty sure I've used the info at the bottom of this page to toggle back an forth in the past.&nbsp; It only mentions using "Dx9" to lower the DX, but I think I made it go the other way by using "Dx11"&nbsp; (the machine was DX11 capable)</P> <P>&nbsp;</P> <P><A href="http://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/How-to-make-AutoCAD-run-with-DirectX-9.html" target="_blank">http://knowledge.autodesk.com/support/autocad/troubleshooting/caas/sfdcarticles/sfdcarticles/How-to-make-AutoCAD-run-with-DirectX-9.html</A></P> Wed, 25 Mar 2015 18:30:03 GMT nestly2 2015-03-25T18:30:03Z