Did you check yet if your card is properly recognized by the game: http://sims3.crinrict.com/en/2013/06/getting-the-game-to-recognize-your-card.html
I looked and it's not recognized, I tried to do what your site said but it didn't make a change. I could have done it wrong though. Wouldn't it always not have worked if this was the problem? It ran fine before, even with the card not recognized. My old card is listed but not the 660 Ti. A great deal of the geforce cards listed have an M added on, I assume that means laptops?
