请打开终端

ctrl + alt + t

输入

xinput

output:

⎡ Virtual core pointer                        id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ ThinkPad USB Travel Mouse                 id=10   [slave  pointer  (2)]
⎜   //注意下面一行的id在后面的命令中要用
⎜   ↳ SynPS/2 Synaptics TouchPad                id=13   [slave  pointer  (2)]
⎜   ↳ TPPS/2 IBM TrackPoint                     id=15   [slave  pointer  (2)]
⎣ Virtual core keyboard                       id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard                 id=5    [slave  keyboard (3)]
    ↳ Power Button                                id=6    [slave  keyboard (3)]
    ↳ Video Bus                                   id=7    [slave  keyboard (3)]
    ↳ Video Bus                                   id=8    [slave  keyboard (3)]
    ↳ Power Button                                id=9    [slave  keyboard (3)]
    ↳ Integrated Camera                           id=11   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard                id=12   [slave  keyboard (3)]
    ↳ ThinkPad Extra Buttons                      id=14   [slave  keyboard (3)]

接下来

xinput list-props 13 | grep Enabled

output:

    Device Enabled (137):   1   //说明是开启状态

最后

xinput set-prop 13 137 0

O了，检查一下：

xinput list-props 13 | grep Enabled

output:

    Device Enabled (137):   0