[Edgy] X refuses to set proper refresh rate.

[Henk Koster]

On Thu, 12 Oct 2006 23:27:07 -0700, Scott wrote:

> I've not had this problem in Dapper, Breezy or Hoary so I fugue this is
> probably a new bug.
> 
> After my initial install, I found that my refresh rate was at 75Hz
> instead of 60.  I specified 60 during the initial setup.
> 
> So I ran "$ sudo dpkg-reconfigure xserver-xorg" and went through the
> steps again.  Of course all I had to do was hit enter on every screen
> because my previous settings were the defaults and were (supposed to be)
> correct.  That includes the 60Hz refresh rate.
> 
> Naturally xorg.conf uses the the HorizSync/VertRefresh and I've not been
> able to find a "translation" to that from 60Hz.
> 
> My Monitor's manual doesn't provide this information either.  It simply
> tells me that my optimal/default resolution is 1280x1024 @ 60Hz.
> 
> X got the resolution right, but refuses to get the refresh rate right.
> And it has made a difference. Notably when it comes to readability of text.
> 
> Anyway heres the "monitor" section of my xorg.conf.
> 
> Section "Monitor"
>         Identifier      "ViewSonic VP191S"
>         Option          "DPMS"
>         HorizSync       30-65
>         VertRefresh     50-75
> EndSection
> 
> Any help would be greatly appreciated.

Edit /etc/X11/xorg.conf, Section "Screen", SubSection "Display", the 
appropriate Modes lines: append _60 to the resolution, for example
"1280x1024_60".

Then restart X (or reboot).