Cursor disappears in game

The most common reason for that symptom is almost always a Windows "Theme" that adds any kind of animation effect to the pointer.  Mouse Trails is always bad, and many of the Aero themes tend to be, also.  Stick with old school classic themeless settings on a game playing machine.   Be certain your drivers are working correctly.

nVIDIA's Geforce drivers are particularly variable and cause all kinds of problems in EA's games.

I'm using an Alienware machine and the pointer theme is set to basic.  How come the cursor comes back if the windows key is pressed? It goes back to full screen again if mouse clicked.  Would buying a wired controller stop this?  Would a reinstall achieve anything?

Sorry, but that was my single sure shot at a solution, along with the hint to avoid matching a Geforce and most of EA's games. 

thanks anyway for replying, it's frustrating to be so far into the game without major hassle then to have this.