I fixed the problem.
All i needed to do was to install my monitor as a "Super VGA 1024x768", and the problem was fixed.

Thanks for anybody that tried to help!

First of all i have Win98 & DirectX 9.0b installed.

My problem is that it doesn't which driver i installed(Original, 3D Paty, evolution etc.) i can't view with a revolution of 1024x768x16(Bit), in fact i can't view with a revolution higher from 800x600x16(Colors).
BTW i now it's not because of my screen, because i used a revolution of 1024x768x16(Bit) with my Rage IIC.

Thanks advanced.

http://voodoofiles.co.uk/forum/viewtopic.php?t=1828