Glenn, try adjusting the refresh rate thru the advanced tab on the settings tab in display properties. my nvidia card has these settings on the adapter tab > list all modes. ~s ----- From: "Glenn Folkvord : Thanks for that, although the driver didnt fix the jerky windows movement. : Some hardware acceleration adjustment in Windows did it..... not 100% : smooth movement yet, but acceptable. To unsub or change your email settings: //www.freelists.org/webpage/pctechtalk To access our Archives: http://groups.yahoo.com/group/PCTechTalk/messages/ //www.freelists.org/archives/pctechtalk/ For more info: //www.freelists.org/cgi-bin/list?list_id=pctechtalk