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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I have consistently used the transparent background in chimera in the past. I have upgraded my system to Windows 7 and installed both Chimera 1.4.1 and the daily build from 9/8/2010. When I try to set the transparency to true I get the following:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Unable to turn on background transparency.<o:p></o:p></p><p class=MsoNormal>Graphics hardware supports request, but can not switch while maintaining display data.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Is there a simple solution for this?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Dr. Jon N. Rumbley<o:p></o:p></p><p class=MsoNormal>Assistant Professor<o:p></o:p></p><p class=MsoNormal>Dept. of Pharmacy Practice and Pharmaceutical Sciences<o:p></o:p></p><p class=MsoNormal>University of Minnesota-Duluth<o:p></o:p></p><p class=MsoNormal>127 LSci<o:p></o:p></p><p class=MsoNormal>1110 Kirby Dr.<o:p></o:p></p><p class=MsoNormal>Duluth, MN 55812<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Phone: 218-726-6047<o:p></o:p></p><p class=MsoNormal>email: jrumbley@d.umn.edu<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>