my computer system is win7,and my computer have two graphics cards,the main card is NVIDIA GeForce GTX 460, and the second card is NVIDIA GeForce 7600 GT.
if i don’t link the second card to a display, I run 4 games.each game have 60 fps(Frames Per Second).
but if i link the second card to a display, I run 4 games,each game only have 15 fps.
WHY?
I make some test like this.
1.I have updated display drivers for NVIDIA GeForce 7600 GT.but the problem still exist.
2.I use two same graphics card(GTX460).the problem still exist.
who can give me some infomation about double graphics cards?