Vsync problem - Eyefinity

[mciviello]

I have a Eyefinity configuration whith 3 monitors, in the middle monitor i have like vsync is off, but is on , this happend on every game, i change the monitor for another is always in the middle the problem if same knows something is appreciated because it is very annoying thanks.

PD: Sorry for my bad ingles a try to do better, Monitores Samsung P2370H and Shappire 6870.