I can't use my synaptics touchpad, I have got this mistake (with my macbook c2d):

(EE) Synaptics Touchpad no synaptics touchpad detected and no repeater device
(EE) Synaptics Touchpad Unable to query/initialize Synaptics hardware.
(EE) PreInit failed for input device "Synaptics Touchpad"

Somebody can help me ?

Here my xorg.conf :

Section "Files"
        FontPath    "/usr/share/fonts/misc:unscaled"
        FontPath    "/usr/share/fonts/Type1"
        FontPath    "/usr/share/fonts/TTF"
        FontPath    "/usr/share/fonts/ttf-bitstream-vera"
        FontPath    "/usr/share/fonts/corefonts"
        FontPath    "/usr/share/fonts/freefont"
        FontPath    "/usr/share/fonts/sharefonts"
        FontPath    "/usr/share/fonts/terminus"
        FontPath    "/usr/share/fonts/ttf-bitstream-vera"
        FontPath    "/usr/share/fonts/unifont"
        FontPath    "/usr/share/fonts/75dpi:unscaled"
        FontPath    "/usr/share/fonts/100dpi:unscaled"
        FontPath    "/usr/share/fonts/artwiz"
        FontPath    "/usr/share/fonts/misci:unscaled"
        # path to defoma fonts
        FontPath        "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
        Load    "i2c"
        Load    "bitmap"
        Load    "ddc"
        Load    "dri"
        Load    "drm"
        Load    "extmod"
        Load    "freetype"
        Load    "glx"
        Load    "int10"
        Load    "type1"
        Load    "vbe"
        Load    "i810"
        Load    "synaptics"
EndSection

Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "kbd"
        Option          "CoreKeyboard"
        Option          "XkbRules"      "xorg"
        Option          "XkbModel"      "pc104"
        Option          "XkbLayout"     "fr"
        Option          "XkbOptions"    "ctrl:nocaps"
EndSection

Section "InputDevice"
       Identifier      "Synaptics Touchpad"
       Driver          "synaptics"
       #Option          "CorePointer"
       #Option          "SendCoreEvents"        "true"
       #Option          "Device"                "/dev/input/mouse0"
       Option          "Device"                "/dev/psaux"
       #Option        "Device"        "/dev/input/appletouchpad"
       #Option        "Protocol"      "event"
       Option          "Protocol"              "auto-dev"
       Option  "LeftEdge"      "100"
       Option  "RightEdge"     "1120"
       Option  "TopEdge"       "50"
       Option  "BottomEdge"    "310"
       Option  "FingerLow"     "25"
       Option  "FingerHigh"    "30"
       Option  "MaxTapTime"    "180"
       Option  "MaxTapMove"    "220"
       Option  "MaxDoubleTapTime"      "180"
       Option  "VertScrollDelta"       "20"
       Option  "HorizScrollDelta"      "50"
       Option  "MinSpeed"      "0.79"
       Option  "MaxSpeed"      "0.88"
       Option  "AccelFactor"   " 0.0015"
       Option  "SHMConfig"     "on"
       #Option  "SHMConfig"     "true"
       Option "VertTwoFingerScroll" "1"
       Option "HorizTwoFingerScroll" "1"
       Option "TapButton2" "1"
       Option "TapButton2" "3"
       Option "TapButton3" "2"
EndSection

Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver          "mouse"
        Option          "CorePointer"
        Option          "Device"                "/dev/input/mice"
        Option          "Protocol"              "ExplorerPS/2"
        Option          "Emulate3Buttons"       "true"
EndSection

Section "Device"
        Identifier      "Generic Video Card"
        Driver          "i810"
        Screen          0
        Option "MonitorLayout" "CRT,LFP"
        BusID           "PCI:0:2:0"

        Option      "XAANoOffscreenPixmaps" "true"
        #Option      "DRI"     "true"
EndSection

Section "Device"
        Identifier      "Device1"
        Driver          "i810"
        Screen          1
        Option "MonitorLayout" "CRT,LFP"
        BusID           "PCI:0:2:0"
EndSection


Section "Monitor"
        Identifier      "Generic Monitor"
        Option          "DPMS"
        HorizSync       28-64
        VertRefresh     43-60
EndSection

Section "Monitor"
        Identifier      "External Monitor"
        Option          "DPMS"
        HorizSync       28-64
        VertRefresh     43-60
EndSection

Section "Screen"
        Identifier      "Default Screen"
        Device          "Generic Video Card"
        Monitor         "Generic Monitor"
        DefaultDepth    24
        SubSection "Display"
                Depth           1
                Modes           "1280x800" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           4
                Modes           "1280x800" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           8
                Modes           "1280x800" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           15
                Modes           "1280x800" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           16
                Modes           "1280x800" "1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           24
                Modes           "1280x800"
        EndSubSection
EndSection

Section "Screen"
        Identifier "Secondary Screen"
        Device "Device1"
        Monitor "External Monitor"
        DefaultDepth 24
        SubSection "Display"
                   Depth 1
                   Modes "1024x768" "800x600"
        EndSubSection
        SubSection "Display"
                   Depth 4
                   Modes "1024x768" "800x600"
        EndSubSection
        SubSection "Display"
                   Depth 8
                   Modes "1024x768" "800x600"
        EndSubSection
        SubSection "Display"
                   Depth 16
                   Modes "1024x768" "800x600"
        EndSubSection
        SubSection "Display"
                   Depth 24
                   Modes "1024x768" "800x600"
        EndSubSection
EndSection


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

#Section "ServerLayout"
#        Identifier "Dual-monitor Layout"
#        Screen 0 "Default Screen"
#        Screen 1 "Secondary Screen" #LeftOf "Default Screen"
#        Option "Clone" "On"
#        #Option "Xinerama" "On"
#        InputDevice "Generic Keyboard"
#        InputDevice "Configured Mouse"
#        InputDevice "Synaptics Touchpad"
#EndSection


Section "DRI"
        Group   0
        Mode    0666
EndSection

Section "Extensions"
        Option         "Composite"   "Enable"
EndSection

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| klessou |
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