我对 Linux 还比较陌生，因此如果这个问题的答案比较简单，我深感抱歉。
我有一台运行 Ubuntu 15.10 的 Dell Inspiron 14 3452 笔记本电脑。到目前为止，除了触摸板之外，一切正常。我关注了几个论坛和 wiki 帖子，试图找出问题所在，但仍然无法让触摸板工作。据我所知，它被检测到并启用了，但我完全没有使用任何功能，不得不使用外部 USB 鼠标。
cat /proc/bus/input/devices 返回以下相关设备：
I: Bus=0011 Vendor=0002 Product=0007 Version=01a1
N: Name="SynPS/2 Synaptics TouchPad"
P: Phys=isa0060/serio1/input0
S: Sysfs=/devices/platform/i8042/serio1/input/input7
U: Uniq=
H: Handlers=mouse0 event6
B: PROP=5
B: EV=b
B: KEY=e520 610000 0 0 0 0
B: ABS=660800011000003
Xorg.0.log 包含以下行：
[ 23.993] (II) config/udev: Adding input device DLL06AC:00 06CB:78F1 (/dev/input/event12)
[ 23.993] (**) DLL06AC:00 06CB:78F1: Applying InputClass "evdev touchpad catchall"
[ 23.993] (**) DLL06AC:00 06CB:78F1: Applying InputClass "touchpad catchall"
[ 23.993] (**) DLL06AC:00 06CB:78F1: Applying InputClass "Default clickpad buttons"
[ 23.993] (II) LoadModule: "synaptics"
[ 23.993] (II) Loading /usr/lib/xorg/modules/input/synaptics_drv.so
[ 23.997] (II) Module synaptics: vendor="X.Org Foundation"
[ 23.997] compiled for 1.17.1, module version = 1.8.2
[ 23.997] Module class: X.Org XInput Driver
[ 23.997] ABI class: X.Org XInput driver, version 21.0
[ 23.997] (II) Using input driver 'synaptics' for 'DLL06AC:00 06CB:78F1'
[ 23.997] (**) DLL06AC:00 06CB:78F1: always reports core events
[ 23.997] (**) Option "Device" "/dev/input/event12"
[ 24.033] (II) synaptics: DLL06AC:00 06CB:78F1: found clickpad property
[ 24.033] (--) synaptics: DLL06AC:00 06CB:78F1: x-axis range 1 - 2040 (res 19)
[ 24.033] (--) synaptics: DLL06AC:00 06CB:78F1: y-axis range 1 - 1240 (res 19)
[ 24.034] (--) synaptics: DLL06AC:00 06CB:78F1: pressure range 0 - 255
[ 24.034] (II) synaptics: DLL06AC:00 06CB:78F1: device does not report finger width.
[ 24.034] (--) synaptics: DLL06AC:00 06CB:78F1: buttons: left double triple
[ 24.034] (--) synaptics: DLL06AC:00 06CB:78F1: Vendor 0x6cb Product 0x78f1
[ 24.034] (--) synaptics: DLL06AC:00 06CB:78F1: invalid finger width range. defaulting to 0 - 15
[ 24.034] (**) Option "SoftButtonAreas" "50% 0 82% 0 0 0 0 0"
[ 24.034] (--) synaptics: DLL06AC:00 06CB:78F1: touchpad found
[ 24.034] (**) DLL06AC:00 06CB:78F1: always reports core events
[ 24.052] (**) Option "config_info" "udev:/sys/devices/pci0000:00/808622C1:00/i2c-9/i2c-DLL06AC:00/0018:06CB:78F1.0001/input/input14/event12"
[ 24.052] (II) XINPUT: Adding extended input device "DLL06AC:00 06CB:78F1" (type: TOUCHPAD, id 11)
[ 24.053] (**) synaptics: DLL06AC:00 06CB:78F1: (accel) MinSpeed is now constant deceleration 2.5
[ 24.053] (**) synaptics: DLL06AC:00 06CB:78F1: (accel) MaxSpeed is now 1.75
[ 24.053] (**) synaptics: DLL06AC:00 06CB:78F1: (accel) AccelFactor is now 0.084
[ 24.053] (**) DLL06AC:00 06CB:78F1: (accel) keeping acceleration scheme 1
[ 24.053] (**) DLL06AC:00 06CB:78F1: (accel) acceleration profile 1
[ 24.053] (**) DLL06AC:00 06CB:78F1: (accel) acceleration factor: 2.000
[ 24.053] (**) DLL06AC:00 06CB:78F1: (accel) acceleration threshold: 4
[ 24.055] (--) synaptics: DLL06AC:00 06CB:78F1: touchpad found
[ 24.056] (II) config/udev: Adding input device DLL06AC:00 06CB:78F1 (/dev/input/mouse1)
[ 24.056] (**) DLL06AC:00 06CB:78F1: Ignoring device from InputClass "touchpad ignore duplicates"
syclient -l 返回：
Parameter settings:
LeftEdge = 1625
RightEdge = 5359
TopEdge = 1482
BottomEdge = 4458
FingerLow = 25
FingerHigh = 30
MaxTapTime = 180
MaxTapMove = 244
MaxDoubleTapTime = 100
SingleTapTimeout = 180
ClickTime = 100
EmulateMidButtonTime = 0
EmulateTwoFingerMinZ = 282
EmulateTwoFingerMinW = 7
VertScrollDelta = 111
HorizScrollDelta = 111
VertEdgeScroll = 0
HorizEdgeScroll = 0
CornerCoasting = 0
VertTwoFingerScroll = 1
HorizTwoFingerScroll = 1
MinSpeed = 1
MaxSpeed = 1.75
AccelFactor = 0.036036
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 = 27
VertHysteresis = 27
ClickPad = 1
RightButtonAreaLeft = 3492
RightButtonAreaRight = 0
RightButtonAreaTop = 4077
RightButtonAreaBottom = 0
MiddleButtonAreaLeft = 0
MiddleButtonAreaRight = 0
MiddleButtonAreaTop = 0
MiddleButtonAreaBottom = 0
我很感激任何帮助启动和运行它的帮助。还有一点需要注意。触摸板有时会在从睡眠状态恢复后停止被检测到，系统会显示通用 P/S 2 鼠标。我现在唯一能知道的方法是运行上述命令，但我认为这可能是一个相关的细节。