Not all that much dust has accumulated on my Dell T1650 (spec by Charles Culp).  I have an nVidia Quadro 600 running the graphics.  HOWEVER, I cannot get the thing to display flow paths in a good working Flow Xpress model.  I get min and max listings OK, but no depection of the paths, nada, nothing...  well, there are faint flickers when I rotate the model.  SW specifies 8.17.12.9573 as the correct driver software from nVidia, BUT nVidia calls the installed driver 305.29, their current driver 311.35 whql. 

What's a poor user to do?  Is the driver realllly the issue (maybe not)?  What could be the cause of this irrational behavior?  Can you help?  -Jim M.