ubuntu20.04如何禁用触摸板

用命令行的话，先

xinput list

lair@blair-PC:~$ xinput list

⎡ Virtual core pointer id=2 [master pointer (3)]

⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]

⎜ ↳ 2.4G Mouse id=10 [slave pointer (2)]

⎜ ↳ ITE Tech. Inc. ITE Device(8910) Consumer Control id=13 [slave pointer (2)]

⎜ ↳ MSFT0001:00 04F3:31DD Mouse id=17 [slave pointer (2)]

⎜ ↳ MSFT0001:00 04F3:31DD Touchpad id=18 [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: Integrated C id=11 [slave keyboard (3)]

↳ ITE Tech. Inc. ITE Device(8910) Keyboard id=12 [slave keyboard (3)]

↳ ITE Tech. Inc. ITE Device(8910) Wireless Radio Control id=14 [slave keyboard (3)]

↳ ITE Tech. Inc. ITE Device(8910) System Control id=15 [slave keyboard (3)]

↳ Ideapad extra buttons id=16 [slave keyboard (3)]

↳ AT Raw Set 2 keyboard id=19 [slave keyboard (3)]

↳ ITE Tech. Inc. ITE Device(8910) Consumer Control id=20 [slave keyboard (3)]

找到触摸板的id，然后

xinput set-prop 触摸板ID "Device Enabled" 0

最后的0改成1可以重新启用