GLC.......
The Dell Chip Set is installed.
Tonight I clicked on the link you provided to Nvidia, and it led me to tne now ever familiar 182.08 D/L site.
I opened up Device Manager and saw the yellow mark beside the 8400 GS card.
Back to Nvidia and D/L the 182.08 driver (for about the sixth time now) and when the D/L was complete, I clicked 'restart my computer later'.
Going to the device manager I see the yellow mark is now gone. (I did not try the Simulator at this point)
Rebooted and went straight to the device manager. Now the yellow mark has returned next to the 8400 GS card.
I may do it all over again but not reboot, and instead see if the Simulator when/if the yellow mark is gone.
Even if it does, I do not believe it will last long as this is the way I have got it to work in the past, but within a day the programs fails to open again. pg