apt-get install gconf-editor
Navigate to apps -> compiz-1 -> plugins -> unityshell -> screen0 -> options
logout
Ubuntu 12.04:
~/.gtkrc-2.0:
binding "NoKeyboardNavigation" {
unbind "F10"
}
class "*" binding "NoKeyboardNavigation"
~/.config/gtk-3.0/gtk.css:
@binding-set NoKeyboardNavigation {
unbind "F10"
}
* {
gtk-key-bindings: NoKeyboardNavigation
}
source
[...] Disable F10 in Unity [...]