Try going to Nvidia Display/SLI Multi GPU and turn off "show GPU load balancing."
"Thanks for the help.
The nvidia people changed things from what was suggested by you, but you gave me a place to start looking. The green bar is now turned off under 3D Settings located at the windows index and the command is checked; Show SLI Visual Indicators.
Thanks again."
k, I stole that post from here: http://forums.ageofconan.com/showthread.php?p=1220682
thats not the problem. for example cryostasis tech demo which seems MORE demanding then crysis has the same SLI utilization as mirrors edge, same with stalker clear sky and fear 2. i cant get a screenshot of thos games cuz it comes out black for some reason :P