我的 Synaptics 触摸板ThinkPad L580不适用于 Ubuntu (Mate) 19.04，尽管我按照过去似乎对其他人有用的说明进行操作。
在以下代码片段中连接了一个 Microsoft USB 鼠标。
xinput --list：
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ USB Optical Mouse id=9 [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)]
↳ Sleep Button id=8 [slave keyboard (3)]
↳ Integrated Camera: Integrated C id=10 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=11 [slave keyboard (3)]
↳ ThinkPad Extra Buttons id=12 [slave keyboard (3)]
cat /proc/bus/input/devices：没有出现与突触相关的东西……
lsusb：
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 06cb:009a Synaptics, Inc.
Bus 001 Device 004: ID 04f2:b604 Chicony Electronics Co., Ltd
Bus 001 Device 006: ID 8087:0a2b Intel Corp.
Bus 001 Device 002: ID 045e:0797 Microsoft Corp. Optical Mouse 200
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub