Hmmm a G4, ok I have to admit I not too sure since I am a ATi guy...
I know Pascal had a mod called Zombie crew so thought maybe you using that...otherwise thinking it driver update if you can.
Here is place I get updates for my cards and this one was last one I saw for GeForce...
http://downloads.guru3d.com/download.php?det=1265
g/l
