Public bug reported:
Binary package hint: displayconfig-gtk
I have a laptop with a monitor which has a resolution of 1440x900.
Today I connected an additional monitor to use as a secondary monitor to the
right of my primary.
I set this up in displayconfig-gtk by enabling the secondary screen and set the
proper resolution and so on.
But after I saved and restarted X my primary screen, which settings I haven't
touched, runs in 640x480 instead of 1440x900. The secondary screen works as
expected.
I managed to get it to work but it required some modifications of the xorg.conf.
This is the settings of my primary screen with the displayconfig-gtk settings:
Section "Monitor"
Identifier "Configured Monitor"
Vendorname "Plug 'n' Play"
Modelname "Plug 'n' Play"
modeline "[EMAIL PROTECTED]" 25.2 640 656 752 800 480 490 492 525 -vsync
-hsync
Gamma 1.0
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
Defaultdepth 24
SubSection "Display"
Depth 24
Virtual 640 480
Modes "[EMAIL PROTECTED]"
EndSubSection
EndSection
To get the primary screen to work in the right resolution I replaced the
"Monitor" and "Screen" settings with the settings from my old xorg.conf:
Section "Monitor"
Identifier "Configured Monitor"
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
Defaultdepth 24
EndSection
displayconfig-gtk seems to add some lines that makes my screen unusable.
** Affects: displayconfig-gtk (Ubuntu)
Importance: Undecided
Status: New
--
Dual screens setup ruins screen resolution
https://bugs.launchpad.net/bugs/231693
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