Monitor is working out of scan range

[Margaret Doll]

I updated a Dell station yesterday from RedHat 9.0 to Fedora 2.  I did 
the update with a clean install.

The system comes up fine.  I can log in and do all the graphics with 
Matlab and Tecplot.

However, when I log out, the monitor goes black and a floating box with 
the following message appears:

Monitor is working out of scan range  24.5 KHz to 54 Hz.

I changed the range in /etc/X11/xorg.conf from "30 KHz to 96 Hz" to "30 
KHz to 54 Hz" and rebooted the system.
Again the first login works fine.  The logout goes to the black screen.

Where is the screen configuration program on Fedora 2?