Bon J'ai tout essayé... Impossible de faire fonctionner mon deuxieme ecran... Je compare ligne par ligne les différences... Et tout est identique...
Je remets mon dernier xorg.conf...
# Xorg configuration created by system-config-display
Section "ServerLayout"
Identifier "Multihead Configuration"
Screen 0 "Screen0"
Screen 1 "Screen1" RightOf "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
ModulePath "/usr/lib64/xorg/modules/extensions/nvidia"
ModulePath "/usr/lib64/xorg/modules"
EndSection
Section "ServerFlags"
Option "AIGLX" "on"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105"
Option "XkbLayout" "be"
EndSection
Section "Monitor"
Identifier "Monitor0"
ModelName "Philips 150S"
HorizSync 30.0 - 81.0
VertRefresh 56.0 - 76.0
Option "dpms"
EndSection
Section "Monitor"
Identifier "Monitor1"
ModelName "Acer AL1951"
Option "dpms"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "nvidia"
VendorName "nvidia"
BoardName "GeForce 6600"
Option "AddARGBGLXVisuals" "True"
EndSection
Section "Device"
Identifier "Videocard1"
Driver "nvidia"
VendorName "nvidia"
BoardName "GeForce 6600"
Option "AddARGBGLXVisuals" "True"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Section "Screen"
Identifier "Screen1"
Device "Videocard1"
Monitor "Monitor1"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Section "Extensions"
Option "Composite" "Enable"
EndSection