Originariamente inviato da sacarde
come hai riconfigurato xorg.conf ?
codice:
Section "Files"
        FontPath        "/usr/share/fonts/X11/misc"
        FontPath        "/usr/X11R6/lib/X11/fonts/misc"
        FontPath        "/usr/share/fonts/X11/100dpi/:unscaled"
        FontPath        "/usr/share/fonts/X11/75dpi/:unscaled"
        FontPath        "/usr/share/fonts/X11/Type1"
        FontPath        "/usr/X11R6/lib/X11/fonts/Type1"
        FontPath        "/usr/share/fonts/X11/100dpi"
        FontPath        "/usr/share/fonts/X11/75dpi"
        # path to defoma fonts
        FontPath        "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
        Load    "dbe"
        Load    "ddc"
        Load    "extmod"
        Load    "freetype"
        Load    "glx"
        Load    "int10"
        Load    "record"
        Load    "type1"
        Load    "vbe"
EndSection

Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "kbd"
        Option          "CoreKeyboard"
        Option          "XkbRules"      "xorg"
        Option          "XkbModel"      "pc102"
        Option          "XkbLayout"     "it"
EndSection

Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver          "mouse"
        Option          "CorePointer"
        Option          "Device"                "/dev/input/mice"
        Option          "Protocol"              "ExplorerPS/2"
EndSection

Section "Device"
        Identifier      "nvidia"
        Driver          "nvidia"
        Option "NoLogo" "1"
        Option "NvAGP"  "1"
EndSection

Section "Monitor"
        Identifier      "SyncMaster 730BF"
        Option          "DPMS"
        HorizSync       31.0 - 64.0
        VertRefresh     56.0 - 60.0
EndSection

Section "Screen"
        Identifier      "Default Screen"
        Device          "nvidia"
        Monitor         "SyncMaster 730BF"
        DefaultDepth    24
        SubSection "Display"
                Viewport        0 0
                Depth           24
                Modes           "1280x1024" "1024x768" "800x600" "640x480"
                #Option         "XaaNoOffscreenPixmaps"
        EndSubSection
EndSection

Section "ServerLayout"
        Identifier      "Default Layout"
        Screen          "Default Screen"
        InputDevice     "Generic Keyboard"
        InputDevice     "Configured Mouse"
EndSection

Section "DRI"
        Mode    0666
EndSection
Non mi sembra ci sia niente di strano, per il doppio click tolto da dove lo verifico? E soprattutto, cambia da solo o con qualche pacchetto installato e configurato così da chi lo mantiene? -_-