Salut à tous !
Merci MicP pour ton merci 
J’ai installé Ubuntu 14.10 pour récupérer les différente infos de mon trackpad :
Contenu de usr/share/X11/xorg.conf.d/50-synaptics.conf :
[code]
Example xorg.conf.d snippet that assigns the touchpad driver
to all touchpads. See xorg.conf.d(5) for more information on
InputClass.
DO NOT EDIT THIS FILE, your distribution will likely overwrite
it when updating. Copy (and rename) this file into
/etc/X11/xorg.conf.d first.
Additional options may be added in the form of
Option “OptionName” “value”
Section "InputClass"
Identifier "touchpad catchall"
Driver "synaptics"
MatchIsTouchpad “on”
This option is recommend on all Linux systems using evdev, but cannot be
enabled by default. See the following link for details:
MatchDevicePath "/dev/input/event*"
EndSection
Section "InputClass"
Identifier "touchpad ignore duplicates"
MatchIsTouchpad "on"
MatchOS "Linux"
MatchDevicePath "/dev/input/mouse*"
Option “Ignore” "on"
EndSection
This option enables the bottom right corner to be a right button on clickpads
and the right and middle top areas to be right / middle buttons on clickpads
with a top button area.
This option is only interpreted by clickpads.
Section "InputClass"
Identifier "Default clickpad buttons"
MatchDriver "synaptics"
Option “SoftButtonAreas” "50% 0 82% 0 0 0 0 0"
Option “SecondarySoftButtonAreas” "58% 0 0 15% 42% 58% 0 15%"
EndSection
This option disables software buttons on Apple touchpads.
This option is only interpreted by clickpads.
Section "InputClass"
Identifier "Disable clickpad buttons on Apple touchpads"
MatchProduct "Apple|bcm5974"
MatchDriver "synaptics"
Option “SoftButtonAreas” "0 0 0 0 0 0 0 0"
EndSection[/code]
Contenu de confSyn.sh :
synclient LeftEdge=1765 RightEdge=5367 TopEdge=1634 BottomEdge=4416 FingerLow=25 FingerHigh=30 MaxTapTime=180 MaxTapMove=232 MaxDoubleTapTime=180 SingleTapTimeout=180 ClickTime=100 EmulateMidButtonTime=0 EmulateTwoFingerMinZ=282 EmulateTwoFingerMinW=7 VertScrollDelta=105 HorizScrollDelta=105 VertEdgeScroll=0 HorizEdgeScroll=0 CornerCoasting=0 VertTwoFingerScroll=1 HorizTwoFingerScroll=1 MinSpeed=1 MaxSpeed=1.75 AccelFactor=0.0378 TouchpadOff=2 LockedDrags=0 LockedDragTimeout=5000 RTCornerButton=2 RBCornerButton=3 LTCornerButton=0 LBCornerButton=0 TapButton1=1 TapButton2=3 TapButton3=0 ClickFinger1=1 ClickFinger2=3 ClickFinger3=0 CircularScrolling=0 CircScrollDelta=0.1 CircScrollTrigger=0 CircularPad=0 PalmDetect=0 PalmMinWidth=10 PalmMinZ=200 CoastingSpeed=20 CoastingFriction=50 PressureMotionMinZ=30 PressureMotionMaxZ=160 PressureMotionMinFactor=1 PressureMotionMaxFactor=1 ResolutionDetect=1 GrabEventDevice=0 TapAndDragGesture=1 AreaLeftEdge=0 AreaRightEdge=0 AreaTopEdge=0 AreaBottomEdge=0 HorizHysteresis=26 VertHysteresis=26 ClickPad=1 RightButtonAreaLeft=3566 RightButtonAreaRight=0 RightButtonAreaTop=4059 RightButtonAreaBottom=0 MiddleButtonAreaLeft=0 MiddleButtonAreaRight=0 MiddleButtonAreaTop=0 MiddleButtonAreaBottom=0
Contenu du retour synclient -l | sed -e '/Parameter settings:/d' -e 's/ \([a-zA-Z0-9]*\) *= \([0-9.-]*\)/\tOption "\1"\t\t\t"\2"/' :
Option "LeftEdge" "1765"
Option "RightEdge" "5367"
Option "TopEdge" "1634"
Option "BottomEdge" "4416"
Option "FingerLow" "25"
Option "FingerHigh" "30"
Option "MaxTapTime" "180"
Option "MaxTapMove" "232"
Option "MaxDoubleTapTime" "180"
Option "SingleTapTimeout" "180"
Option "ClickTime" "100"
Option "EmulateMidButtonTime" "0"
Option "EmulateTwoFingerMinZ" "282"
Option "EmulateTwoFingerMinW" "7"
Option "VertScrollDelta" "105"
Option "HorizScrollDelta" "105"
Option "VertEdgeScroll" "0"
Option "HorizEdgeScroll" "0"
Option "CornerCoasting" "0"
Option "VertTwoFingerScroll" "1"
Option "HorizTwoFingerScroll" "1"
Option "MinSpeed" "1"
Option "MaxSpeed" "1.75"
Option "AccelFactor" "0.0378"
Option "TouchpadOff" "2"
Option "LockedDrags" "0"
Option "LockedDragTimeout" "5000"
Option "RTCornerButton" "2"
Option "RBCornerButton" "3"
Option "LTCornerButton" "0"
Option "LBCornerButton" "0"
Option "TapButton1" "1"
Option "TapButton2" "3"
Option "TapButton3" "0"
Option "ClickFinger1" "1"
Option "ClickFinger2" "3"
Option "ClickFinger3" "0"
Option "CircularScrolling" "0"
Option "CircScrollDelta" "0.1"
Option "CircScrollTrigger" "0"
Option "CircularPad" "0"
Option "PalmDetect" "0"
Option "PalmMinWidth" "10"
Option "PalmMinZ" "200"
Option "CoastingSpeed" "20"
Option "CoastingFriction" "50"
Option "PressureMotionMinZ" "30"
Option "PressureMotionMaxZ" "160"
Option "PressureMotionMinFactor" "1"
Option "PressureMotionMaxFactor" "1"
Option "ResolutionDetect" "1"
Option "GrabEventDevice" "0"
Option "TapAndDragGesture" "1"
Option "AreaLeftEdge" "0"
Option "AreaRightEdge" "0"
Option "AreaTopEdge" "0"
Option "AreaBottomEdge" "0"
Option "HorizHysteresis" "26"
Option "VertHysteresis" "26"
Option "ClickPad" "1"
Option "RightButtonAreaLeft" "3566"
Option "RightButtonAreaRight" "0"
Option "RightButtonAreaTop" "4059"
Option "RightButtonAreaBottom" "0"
Option "MiddleButtonAreaLeft" "0"
Option "MiddleButtonAreaRight" "0"
Option "MiddleButtonAreaTop" "0"
Option "MiddleButtonAreaBottom" "0"
Voila, j’espère que j’ai bien tous fais comme il fallait. Par contre je ne sais pas comment connaître la version de synaptics ?