there is nothing wrong,the problem is that i have my laptop for 2 years now,and never had this problem before,it started 2 months ago,before this when i got over 60fps it still run smooth,but now is horrible.
You said " ,the same problem,at over 60 fps with vsync of i lag,but with vsync on it's all smooth "
Why don't you leave vsync on? What's wrong with 60fps?
as i said,there is nothing wrong with vsync on and 60fps,but why it started 2 moths ago to do this? to get over 60fps as i used to but to causes lag.
yes, you used to be fine over 60 fps, but even then your screen can't show you more frames than the refresh rate of your monitor/video mode , double check the refresh rate of the video mode your using,(some only go to 30) It's a waste to work your video card harder than you need to anyway, even when it said 100 fps, you only ever saw 60 anyway, lest you have 120hz monitor hooked up.