Dual view problem

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Hello,

I have a problem when running my video card as dual view

All is running perfectly except when I surf to internet or use a program connecting to internet in my second monitor.

All was working really fine before I had to format my drive,

If I surf on my second monitor, the speed is really slow I transfer the window to my fist monitor and the page load really fast ?

The only fix I found for running internet in my two monitors is to changing the resolution of my second monitor. But I don't like the resolution.

Normally, I run to a 1024 x 768 resolution and this is perfect for me.

I repeat, all was workinf fine before I had to format.

My video card is an Asus FX 5200 series and I install only the latest drivers from Nvidia.

I really don't know what is causing this problem ??

Any help please ?

Thanks