I just got a new Dell 2407 widescreen monitor for my work PC. I'm replacing a 17" LCD which I planned to use as a second monitor. I had a nVidia GeForce FX5700LE lying around the house so I decided to install that since it has DVI. Card installed fine, hooked up the new Dell via DVI, set the resolution to 1920x1200 and everything worked fantastic. Next, I turned off the computer and hooked up the 17" LCD to the VGA port on the card. When I turned the computer back on, it automatically recognized the second display and went into nVidia DualView mode which treats each display seperately. Fine.

The problem is, now I can't set the resolution on the 24" to 1920x1200. The higest I can go is 1600x1200. Even when I turn off the second display and set nVidia settings to use only one monitor, I can't set the display to anything higher than 1600x1200. I turned off the computer, completely disconnected the 17" VGA monitor and rebooted. I still couldn't set the display to higher than 1600x1200. I tried hooking the 24" to the video card using the VGA and i found that this would allow me to set it to the max of 1920x1200. WEIRD.

So, for some reason, once I hooked up the second display, it limited my resolution on the main one to 1600x1200, even when the second display was taken completely out of the picture. If I'm unable to set it to the max resolution on the 24" when I have the second display up, thats fine I suppose, but how come I can't get the max res when the 2nd display is off?

Maybe someone has had a similiar problem before. I thought I'd try here before calling up Dell. Thanks.