Vga Compatible How Can I Reinstall The "VGA Compatible Software" Without The Installation CD At Hand?

How can I reinstall the "VGA compatible software" without the installation CD at hand? - vga compatible

I deleted some unused software on my computer, but nothing he said or VGA video software. Since I open my computer, found the "New Hardware" = VGA-compatible software that would install, but I no longer have the installation CD (I forget the installation). I can see the films on DVD, because it asks me to lower screen resolution and color depth. Even if I do that, can the screen of another, but do not start DVD. You can download this software from the Internet? I have tried to restore my computer to an earlier time (3 months time) again, but the problem was ...