@mitcorb said: I see a similarity in your question to this one: http://sketchucation.com/forums/viewtopic.php?f=15&t=51195. Within days of each other. I don't know if an answer is here or not. My problem is not with Hardware Acceleration, but is Sketchup that is not recognizing my modifications in NVIDIA Control Panel. I have been having this problem with two of my laptops. Thanks for the Reply