I have the same laptop model and both Ubuntu Intrepid Ibex and Jaunty can't
detect my maximum resolution of the laptop screen which is 1400x1050. The only
modes i have to choose from are - 640x480,800x600 and 1024x768 and the funny
thing is that on older versions of
Ubuntu (Feisty Fawn and Hardy) I could fix it by changing xorg.conf to:
//////////////////////////////////////////////////////////////////////////////////////////////
Section "Device"
Identifier "Radeon 9000"
Driver "ati"
BusID "PCI:1:0:0"
Option "GARTSize" "64"
Option "MergedFB" "off"
Option "XAANoOffscreenPixmaps" "true"
EndSection
Section "Monitor"
Identifier "Generic Monitor"
Option "DPMS"
HorizSync 30-70
VertRefresh 50-160
EndSection
Section "Screen"
Identifier "Default Screen"
Device "Radeon 9000"
Monitor "Generic Monitor"
DefaultDepth 24
SubSection "Display"
Depth 24
Virtual 1920 1440
Modes "1400x1050"
EndSubSection
EndSection
Section "ServerLayout"
Option "AIGLX" "true"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
EndSection
Section "DRI"
Mode 0666
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection
////////////////////////////////////////////////////////////////////
I now use Ubuntu Jaunty and i tried changing my xorg.conf to:
///////////////////////////////////////////////////////////////////
Section "Device"
Identifier "Configured Video Device"
Option "IgnoreEDID"
EndSection
Section "Monitor"
Identifier "Configured Monitor"
DisplaySize 286 214
Option "DPMS"
HorizSync 30-70
VertRefresh 50-160
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
SubSection "Display"
Modes "1400x1050"
EndSubSection
EndSection
//////////////////////////////////////////////////////////////////
and it doesn't helps me either.
This is my xrandr command output :
///////////////////////////////////////////////////////////////
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 1024 x 1024
VGA-0 disconnected (normal left inverted right x axis y axis)
DVI-0 disconnected (normal left inverted right x axis y axis)
LVDS connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
1024x768 60.0*+ 60.0
800x600 60.3 59.9
640x480 59.9 59.4
S-video disconnected (normal left inverted right x axis y axis)
///////////////////////////////////////////////////////////////
--
ati radeon driver does not autodetect displaysize on Latitude D600, therefore
uses wrong resolution
https://bugs.launchpad.net/bugs/80940
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