From kde  Wed Jan 16 14:18:38 2013
From: Volker Wysk <pf3 () volker-wysk ! de>
Date: Wed, 16 Jan 2013 14:18:38 +0000
To: kde
Subject: [kde] How to set the screen resolution and gamma value?
Message-Id: <201301161518.38763.pf3 () volker-wysk ! de>
X-MARC-Message: https://marc.info/?l=kde&m=135834587609522

Hello!

I've updated from KDE 4.4 to KDE 4.8.4, and now I can't set the screen's =

resolution any longer. There's only one choice: 1920*1440. With this, the =

screen flickers, especially when the background is bright. In addition, the =

font in the menu bars is so small, I can hardly read it.

"xrandr -q" yealds:

   xrandr: Failed to get size of gamma for output default
   Screen 0: minimum 1920 x 1440, current 1920 x 1440, maximum 1920 x 1440
   default connected 1920x1440+0+0 0mm x 0mm
      1920x1440       0.0* =


In KDE 4.4 I was able to set the screen's resolution.

A related problem is, that the gamma value of the screen can't be set any =

longer. In KDE 4.4, I've set it in /etc/X11/xorg.conf:

-------------------------------------------
Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "kbd"
        Option          "XkbRules"      "xorg"
        Option          "XkbModel"      "pc105"
        Option          "XkbLayout"     "de"
        Option          "XkbVariant"    "nodeadkeys"
EndSection

Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver          "mouse"
EndSection

Section "Device"
        Identifier      "Configured Video Device"
EndSection

Section "Monitor"
        Identifier      "Configured Monitor"
        Gamma 2.15

#       Gr=F6=DFe des Bildschirms in Millimetern
        DisplaySize 360 270
EndSection

Section "Screen"
        Identifier      "Default Screen"
        Monitor         "Configured Monitor"
EndSection
-------------------------------------------


This no longer works. In the system settings (Systemeinstellungen) I haven'=
t =

found a control to set the gamma value.


Thanks for your help,
Volker
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