正如标题所说，我的笔记本电脑上的鼠标光标没有移动，但鼠标按钮仍然有效。我不知道该怎么做。我已经在 Windows 上测试了触摸板，它工作正常。
我的笔记本电脑是 HP Envy
X输入输出 xinput list
Virtual core pointer id=2 [master pointer (3)]
Virtual core XTEST pointer id =4 [slave pointer (2)]
SynPS/2 synaptics TouchPad id=12 [slave pointer (2)]
uname -r
3.16.0-49-通用
lspci -K | grep -EA2 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
Subsystem: Hewlett-Packard Company Device 1966
Kernel driver in use: i915
01:00.0 3D controller: NVIDIA Corporation GK208M [Geoforce GT 740M] (rev a1)
Subsystem: Hewlett-Packard company …