> I suspect that your monitor doesn't actually have a horizontal sync of > 30 to 54, it's just wrong on the web site. Why don't you run > dpkg-reconfigure xserver-xorg again, and this time instead of picking > "Advanced" to specify the numbers directly, choose "Medium" and pick > "A monitor that can do 1024x768 at 75 Hz". >
> I suppose this advice has the faint possibility that it will cause > your monitor to melt, but I don't think so. > > Hi Tom, Selecting 1024 x 768 75 Hz choosing "Medium" will end up with 1024 x 768 60 Hz. Now Desktop->Preferences->Screen Resolution has only 60 Hz option in dropdown for 1024 x 768. Don't no what to do. Thanks, Sanjaya Vitharana