Re: Getting to 1920x1200

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Leo wrote:
Hardware:
  Monitor - Gateway FPD2485W, LCD Widescreen (1920x1200)
  Video Card - Intel Integrated i810
  Desktop - KDE
Hello and TIA for any insight anyone can provide...

SWEET Monitor!  But, I've only gotten it to 1600x1200 with that
awful stretchy-effect.  (My original install used an IBM P260 CRT at
1600x1200.)
Right-click --> Configure Desktop --> Display
Here, my highest-res option under screen size is 1600x1200.
K Menu --> System --> Display
This dialog allows me to select "LCD Panel 1920x1200" for the monitor
type (the 2485W is not listed).  I can also select 1920x1200 as the
Resolution under the "Settings" tab.  Seems to have no effect.
Does anyone have any suggestions on how to get to 1920x1200?

         -Leo!



Its likely not the monitor, but the graphics driver that is the issue.

For instance:  the vesa driver won't do 1920x1200 on anything I have tried.

You need to examine:
/etc/X11/xorg.conf
and see what driver you are using.

If all of that is correct, then either:
   1. The monitor is reporting invalid EDID data values
   2. You have invalid Modeline in /etc/X11/xorg.conf
3. You have specified 1600x1200 in your personal resolution preferences. (System/Preferences/Resolution)

To chase down EDID data errors, refer to /var/log/Xorg.0.log
search for: EDID data

and make sure that the monitor is reporting frequencies that can support 1920x1200. The 24" Dell 2405FPW reports a value that is .1 too low, even though it can and does support 1920x1200.

In this case, you have to turn EDID off and set a proper H and V in /etc/X11/xorg.conf.

To turn off EDID I had to put:
       Option      "ModeValidation" "NoMaxPClkCheck"
in the Screen section.

I then had to specify in the Display section:
       HorizSync    31.5 - 90.0
       VertRefresh  60.0 - 60.0
Which is sufficient to display 1920x1200 at 60Hz.

YMMV

Good luck!

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