https://community.graphisoft.com/t5/Collaboration-with-other/Another-reason-not-to-use-AutoCAD-Architecture/m-p/202863#M25298 It's because your card doesn't support advanced hardware shader effects.<BR /> I think AutoCAD can work without those. Mon, 13 Sep 2010 14:07:34 GMT Anonymous 2010-09-13T14:07:34Z https://community.graphisoft.com/t5/Collaboration-with-other/Another-reason-not-to-use-AutoCAD-Architecture/m-p/202862#M25297 <DIV class="actalk-migrated-content"><R>AutoCAD Architecture 2011 is not compatible with my NVIDIA FX2500M 512MB graphics card.<BR /> <BR /> <IMG src="http://a.imageshack.us/img186/5509/nvidiak.png" /><BR /> Shot at 2010-09-08</R></DIV> Wed, 08 Sep 2010 16:43:20 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Another-reason-not-to-use-AutoCAD-Architecture/m-p/202862#M25297 Steve Jepson 2010-09-08T16:43:20Z https://community.graphisoft.com/t5/Collaboration-with-other/Another-reason-not-to-use-AutoCAD-Architecture/m-p/202863#M25298 It's because your card doesn't support advanced hardware shader effects.<BR /> I think AutoCAD can work without those. Mon, 13 Sep 2010 14:07:34 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Another-reason-not-to-use-AutoCAD-Architecture/m-p/202863#M25298 Anonymous 2010-09-13T14:07:34Z