Several months ago I got a Dell laptop with Ubuntu pre-installed. I fell in love.. So when the desktop died, I set up a dual boot system hoping to spend most of my time in Ubuntu. But no..

The problem for today is setting the display resolution. When I look in System->Preferences->Display on the desktop, the highest resolution is 800x600. On the laptop, there are numerous options.

After countless internet searches I was about to dive into editing xorg.conf. But when I looked at that file on the laptop, it was identical to the one on the desktop!

What am I missing here?

The monitor is a Samsung Syncmaster 2232bw and the video "board" is a nVidia nForce 620i..