Running Civil3D 2011 Student Version on Windows XP with Nvidia GeForce 9400 GT video card. Just installed Service Pack 1 update and the drawing objects flicker rapidly when I move the mouse around in the drawing. This occurs in all the drawings I open so it is not drawing specific. This didn't start happening until I installed the update. Read the readme file and no mention of such problems. I have to uninstall and reinstall Civil3D if I want to go back prior to the update installation. Anybody else encounter something like this and did you fix the problem?. Thanks for you help on this.
See following thread: http://forums.autodesk.com/t5/AutoCAD-Civil-3D/Civil-3D-2011-Update-1-is-now-available/m-p/2781078#M...
Basicaly all you need to do is to turn off/on Hardware Acceleration toggle.
One possibility http://usa.autodesk.com/adsk/servlet/ps/dl/item?siteID=123112&id=9838120&linkID=9240617
Another http://usa.autodesk.com/adsk/servlet/ps/dl/item?siteID=123112&id=15851876&linkID=9240697
Allen
Allen Jessup
Engineering Specialist / CAD Manager