重启后，我的触摸板停止工作了，我以为它之前是可以工作的。我还试过这。
这是结果xinput list：
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech USB Optical Mouse id=13 [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)]
↳ Fujitsu FUJ02E3 id=7 [slave keyboard (3)]
↳ Video Bus id=8 [slave keyboard (3)]
↳ Fujitsu FUJ02B1 id=9 [slave keyboard (3)]
↳ Power Button id=10 [slave keyboard (3)]
↳ FJ Camera id=11 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=12 [slave keyboard (3)]
也cat /proc/bus/input/devices没有SynPS/2 Synaptics TouchPad在任何地方显示