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You can't. Lucid Lynx (your Ubuntu version) has lost this capability, and a bug has been filed. Update: Seems like there is a temporary fix already. Hope this helps: Set desired wallpaper as you usually do Execute this command in the console: gconftool-2 --set "/desktop/gnome/background/picture_options" --type string "spanned" Do the dance


Update for future searchers: As of Ubuntu 10.10 (Maverick), you now have the "Span" option in the Appearance/Wallpaper Control Panel. For best results, be sure to create your wallpaper to be the exact pixels of your displays combined. E.g. for two 1280x1024 monitors, use a wallpaper with size 2560 x 1024 -- otherwise it will scale and center your wallpaper ...


Method #1 - From GNOME Control Center I usually just launch the Display applet from the GNOME Settings (typically under your username's pulldown in the upper right corner). BTW, you can summon the GNOME Control Center via command line using gnome-control-center. Example Laptop screen on left, VGA attached monitor on right     Now if I ...


Maybe setting two separate X screens up to replace TwinView will solve your problem? Checkout your xorg.conf file for sections: ServerLayout, Monitor, Device and Screen, mine looks more or less like this: Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" 0 0 Screen 1 "Screen1" RightOf "Screen0" InputDevice "...


For technically unknown reasons, it was found (by accident) that both LCD's work if one of them is connected with VGA cable to its analog input, using DVI output of the graphics card with DVI-to-VGA adaptor. It also matters which DVI output is used with the DVI-to-VGA adaptor; if I swap DVI connectors, one of the panels will be blank again. Go figure.


As described in the “Loading Settings Automatically” section of the nvidia-settings(1) man page you can save the nvidia-settings configuration to a user config file and then call nvidia-settings to load it automatically from your .xinitrc, .xsession, or whatever your desktop session startup uses.

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