Hi, I got this problem some time ago, and solve it replacing Xserver, and changing Vsync and Hsync of the monitor. I think is better you use the manual to configure your video card, and I suggest you to use xf86config to make XF86Config file.
Good luck Jorge -- TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to [EMAIL PROTECTED] . Trouble? e-mail to [EMAIL PROTECTED]