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无法更改触摸板灵敏度 - “属性‘Synaptics Finger’不存在，您需要指定其类型和格式”

tag-icon • tag-icon touchpad synaptics
无法更改触摸板灵敏度 - “属性‘Synaptics Finger’不存在，您需要指定其类型和格式”

我努力了此解决方案在我的 Ubuntu 18.04（HP 笔记本电脑）中，但终端显示：

property 'Synaptics Finger' doesn't exist, you need to specify its type and format

我在 中找不到相关选项xinput --watch-props。结果如下：

Device 'SynPS/2 Synaptics TouchPad':
    Device Enabled (141):   1
    Coordinate Transformation Matrix (143): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    libinput Tapping Enabled (294): 1
    libinput Tapping Enabled Default (295): 0
    libinput Tapping Drag Enabled (296):    1
    libinput Tapping Drag Enabled Default (297):    1
    libinput Tapping Drag Lock Enabled (298):   0
    libinput Tapping Drag Lock Enabled Default (299):   0
    libinput Tapping Button Mapping Enabled (300):  1, 0
    libinput Tapping Button Mapping Default (301):  1, 0
    libinput Natural Scrolling Enabled (276):   1
    libinput Natural Scrolling Enabled Default (277):   0
    libinput Disable While Typing Enabled (302):    1
    libinput Disable While Typing Enabled Default (303):    1
    libinput Scroll Methods Available (278):    1, 1, 0
    libinput Scroll Method Enabled (279):   1, 0, 0
    libinput Scroll Method Enabled Default (280):   1, 0, 0
    libinput Accel Speed (285): 0.000000
    libinput Accel Speed Default (286): 0.000000
    libinput Left Handed Enabled (290): 0
    libinput Left Handed Enabled Default (291): 0
    libinput Send Events Modes Available (261): 1, 1
    libinput Send Events Mode Enabled (262):    0, 0
    libinput Send Events Mode Enabled Default (263):    0, 0
    Device Node (264):  "/dev/input/event5"
    Device Product ID (265):    2, 7
    libinput Drag Lock Buttons (292):   <no items>
    libinput Horizontal Scroll Enabled (293):   1

我也尝试将攻丝设置为 0.5，xinput --set-prop 11 294 0.5 但它已完全关闭攻丝。

有没有可能降低触摸板的灵敏度？

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