Touchpad无法移动光标

Question

突然，我无法使用触摸屏移动光标，不过，单击是可以的(left+right单击)

我尝试了以下几点：

1. Fn+F10打开我的触控板
2. 在鼠标和触屏设置中打开触摸屏

>>xinput list
⎡ Virtual core pointer                      id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ Compx wireless dongle Mouse               id=12   [slave  pointer  (2)]
⎜   ↳ Compx wireless dongle Consumer Control    id=13   [slave  pointer  (2)]
⎜   ↳ ITE Tech. Inc. ITE Device(8910) Consumer Control  id=16   [slave  pointer  (2)]
⎜   ↳ MSFT0001:00 06CB:7F28 Mouse               id=19   [slave  pointer  (2)]
⎜   ↳ MSFT0001:00 06CB:7F28 Touchpad            id=20   [slave  pointer  (2)]
>> xinput enable 19
>> xinput enable 20
>> xinput list-props 19
Device 'MSFT0001:00 06CB:7F28 Mouse':
    Device Enabled (115):   1
    Coordinate Transformation Matrix (117): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
    libinput Natural Scrolling Enabled (253):   1
    libinput Natural Scrolling Enabled Default (254):   0
    libinput Scroll Methods Available (255):    0, 0, 1
    libinput Scroll Method Enabled (256):   0, 0, 1
    libinput Scroll Method Enabled Default (257):   0, 0, 1
    libinput Button Scrolling Button (258): 3
    libinput Button Scrolling Button Default (259): 3
    libinput Accel Speed (262): 0.000000
    libinput Accel Speed Default (263): 0.000000
    libinput Accel Profiles Available (264):    1, 1
    libinput Accel Profile Enabled (265):   1, 0
    libinput Accel Profile Enabled Default (266):   1, 0
    libinput Left Handed Enabled (267): 0
    libinput Left Handed Enabled Default (268): 0
    libinput Send Events Modes Available (238): 1, 0
    libinput Send Events Mode Enabled (239):    0, 0
    libinput Send Events Mode Enabled Default (240):    0, 0
    Device Node (241):  "/dev/input/event7"
    Device Product ID (242):    1739, 32552
    libinput Drag Lock Buttons (269):   <no items>
    libinput Horizontal Scroll Enabled (270):   1

我也尝试过重新安装，但是即使在安装过程中光标也不会移动。

有什么想法吗？

更新:这个问题是联想军团5笔记本电脑特有的。我在这里找到了一个解决方案：https://www.linux.org/threads/lenovo-legion-5-touchpad.29536/page-2#post-104544

Answer 1

答案在这里：https://askubuntu.com/a/1271982/1013762

只需做：

sudo modprobe -r psmouse && sudo modprobe psmouse proto=imps

答案中提供了更多的细节。