Moniotor issues settings to high

I have a http://www.amazon.com/ViewSonic-VX2235wm-Wide-Computer-Monitor/dp/tech-data/B000I91MXC/ref=de_a_smtd/102-1727662-6152933
and just did a wipe and reinstall of Xp, while redoing drivers and software I came across this problem.

the monitors normal setting is 1680x1050 but the damn monitor is displaying 1600x1200 and I have no way to change it. its not on the software side its the monitor itself. so now I have a bit of screen thats hidden on one or both sides that only shows up when I slide the mouse to the far left or right of the screen.

any thoughts?

if its relevant I have an nvidia 7600 gs video card.

ok after one quick look I have more to add, the setting adjustment on the monitor itself is there but cannot be selected, the auto adjust is grey and the manual settings are also grey…yes I tried several different drivers on this thing.

See is this discussion is helpful, particularly the last post.

ETA:

Note that uninstalling previous drivers is very important.

thats sort of my problem, just backwards, my video card is set to 1650x1080…its the monitor thats set wrong