This might help. I did what it said and got dual monitors working surprisingly easily:
http://gentoo-wiki.com/HOWTO_Dual_Monitors
Its for Gentoo, but it is basically an X and nvidia guide, so will work for your distro. Here is my xorg.conf it might help:
Code:
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
RgbPath "/usr/share/X11/rgb"
ModulePath "/usr/lib64/xorg/modules"
FontPath "/usr/share/fonts/misc/"
FontPath "/usr/share/fonts/TTF/"
FontPath "/usr/share/fonts/OTF"
FontPath "/usr/share/fonts/Type1/"
FontPath "/usr/share/fonts/CID/"
FontPath "/usr/share/fonts/100dpi/"
FontPath "/usr/share/fonts/75dpi/"
EndSection
Section "Module"
Load "extmod"
Load "dbe"
Load "record"
Load "xtrap"
#Load "dri"
Load "glx"
Load "freetype"
Load "type1"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mouse0"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "TwinMonitor"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Device"
Identifier "ASUS 7300S"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "ASUS 7300S"
BusID "PCI:1:0:0"
VideoRam 262144
#other options I recommend:
Option "RenderAccel"
Option "HWcursor"
Option "CursorShadow"
Option "CursorShadowAlpha" "32"
Option "CursorShadowXOffset" "3"
Option "CursorShadowYOffset" "3"
#if you want Composite and GLX (they don't cooperate):
Option "AllowGLXWithComposite"
#the TwinView stuff
Option "TwinView"
Option "MetaModes" "1280x1024,1280x1024; 1280x1024; 1024x768,1024x768; 1024x768; 800x600,800x600; 800x600"
Option "TwinViewOrientation" "RightOf"
Option "SecondMonitorHorizSync" "UseEdidFreqs"
Option "SecondMonitorVertRefresh" "UseEdidFreqs"
Option "ConnectedMonitor" "CRT,CRT"
EndSection
Section "Screen"
Identifier "Screen0"
Device "ASUS 7300S"
Monitor "TwinMonitor"
DefaultDepth 16
SubSection "Display"
Viewport 0 0
Depth 1
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 4
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 15
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
Option "DPMS"
EndSection