我的 HP 2000 筆記型電腦上的觸控板一直面臨問題，該筆記型電腦採用 Ubuntu 20.04 和 Windows 7 雙啟動。有趣的是，當我在安全模式下執行 Windows 7 時，觸控板問題暫時得到了解決，但問題最終又出現了，並且不再透過安全模式解決。
我的 HP 2000 筆記型電腦上的觸控板在 Ubuntu 20.04 或 Windows 7 中均無回應。奇怪的是，外接滑鼠工作得很好。當我在安全模式下執行 Windows 7 時，問題最初會修復，但此解決方法不再有效。這讓我相信問題可能與硬體無關。即使 Ubuntu 在快閃磁碟機上即時運行，問題仍然存在。
一些附加日誌：
xinput list
WARNING: running xinput against an Xwayland server. See the xinput man page for details.
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ xwayland-pointer:16 id=7 [slave pointer (2)]
⎜ ↳ xwayland-relative-pointer:16 id=8 [slave pointer (2)]
⎜ ↳ xwayland-pointer-gestures:16 id=9 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ xwayland-keyboard:16 id=6 [slave keyboard (3)]
lsusb
Bus 002 Device 007: ID 0cf3:311d Qualcomm Atheros Communications Bluetooth
Bus 002 Device 003: ID 05c8:0222 Cheng Uei Precision Industry Co., Ltd (Foxlink) HP Webcam-50
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 1c4f:0048 SiGma Micro Usb Mouse
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
sudo lshw -C input
*-usb
description: Mouse
product: SIGMACHIP Usb Mouse
vendor: SIGMACHIP
physical id: 2
bus info: usb@1:1.2
logical name: input11
logical name: /dev/input/event9
logical name: /dev/input/mouse0
version: 1.10
capabilities: usb-1.10 usb
configuration: driver=usbhid maxpower=98mA speed=2Mbit/s
*-input:0
product: HDA Intel PCH HDMI/DP,pcm=3
physical id: 0
logical name: input10
logical name: /dev/input/event8
*-input:1
product: HDA Intel PCH Mic
physical id: 1
logical name: input8
logical name: /dev/input/event6
*-input:2
product: HDA Intel PCH Headphone
physical id: 2
logical name: input9
logical name: /dev/input/event7
*-pnp00:03
product: PnP device PNP0303
physical id: 3
capabilities: pnp
*-input:0
product: Lid Switch
physical id: 1
logical name: input0
logical name: /dev/input/event0
capabilities: platform
*-input:1
product: Power Button
physical id: 2
logical name: input1
logical name: /dev/input/event1
capabilities: platform
*-input:2
product: Power Button
physical id: 3
logical name: input2
logical name: /dev/input/event2
capabilities: platform
*-input:3
product: AT Translated Set 2 keyboard
physical id: 4
logical name: input3
logical name: /dev/input/event3
logical name: input3::capslock
logical name: input3::numlock
logical name: input3::scrolllock
capabilities: i8042
*-input:4
product: HP WMI hotkeys
physical id: 5
logical name: input6
logical name: /dev/input/event4
capabilities: platform
*-input:5
product: Video Bus
physical id: 6
logical name: input7
logical name: /dev/input/event5
capabilities: platform
dmesg | tail
dmesg: read kernel buffer failed: Operation not permitted
sudo dmesg | tail
[ 6454.093801] RTL8208 Fast Ethernet r8169-0-100:00: attached PHY driver (mii_bus:phy_addr=r8169-0-100:00, irq=MAC)
[ 6454.386777] r8169 0000:01:00.0 eno1: Link is Down
[ 6456.897668] wlo1: authenticate with 34:71:46:02:58:3d
[ 6456.897715] wlo1: 80 MHz not supported, disabling VHT
[ 6456.915966] wlo1: send auth to 34:71:46:02:58:3d (try 1/3)
[ 6456.918183] wlo1: authenticated
[ 6456.919826] wlo1: associate with 34:71:46:02:58:3d (try 1/3)
[ 6456.927508] wlo1: RX AssocResp from 34:71:46:02:58:3d (capab=0x431 status=0 aid=2)
[ 6456.927776] wlo1: associated
[ 6456.996206] IPv6: ADDRCONF(NETDEV_CHANGE): wlo1: link becomes ready