gnome doesn't know monitor size under nvidia x server

[Britton Kerin <britton.kerin@gmail.com>]

I installed all the nvidia driver kernel xserver packages, but now
it seems that gnome doesn't know what size the monitor is anymore
(all fonts way too large etc.)

System->Preferences->Monitors looks like the attached screenshot
The odd thing is the explicitly set resolution value is correct.  But there
is also all the stuff about the monitor being unknown.

Any help or advice how to fix this greatly appreciated,
Britton

Attachment: Screenshot.png
Description: PNG image