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Bonjour,
Pour info, pour configurer mon écran sur mon acer aspire 1960, j'ai du aller directement mettre mes valeurs dans xorg.conf et laisser tomber l'interface graphique avec laquelle il m'était impossible d'avoir un affichage satisfaisant. J'ai donc dans mon xorg.conf :
Section "Monitor"
Identifier "Monitor0"
VendorName "Monitor Vendor"
ModelName "LCD Panel 1280x800"
HorizSync 31.5 - 90.0
VertRefresh 60.0 - 90.0
Option "dpms"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "radeon"
VendorName "Videocard vendor"
BoardName "ATI Radeon Mobility X600"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 16
Modes "1920x1440" "1600x1200" "1400x1050" "1280x1024" "1280x960" "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1920x1440" "1600x1200" "1400x1050" "1280x1024" "1280x960" "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
Modes "1920x1440" "1600x1200" "1400x1050" "1280x1024" "1280x960" "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
Section "DRI"
Group 0
Mode 0666
EndSection