Split Screen Problems

Yes i have installed Lubuntu 12.04 and im using it but i have two screens....My graphics card is a 128 rage agp 2x and i dont know if it installed when i installed Lubuntu but i have like a static crap with two mouse pointers and its driving me nuts...i installed it doing the usb install....when i did the windows installer for Ubuntu 10.4 i did not have this problem after installing...only when i installed it..the mouse pointers are in like two different windows on my desktop...im so sick of it...been waiting 5 hours for help and now im getting aggitated cause its the only OS i have installed on it and i need a fix to this problem if any...THANKS