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scof93
Asked: 2020-05-04 23:14:56 +0800 CST

Touchpad stopped working 20.04

  • 772

I updated ubuntu 18.04 to 20.04. All worked fine for weeks until today. Touchpad on lenovo y580 stopped working just like that. I didn't install any new updates yesterday.

Xinput log:

Virtual core pointer                        id=2    [master pointer  (3)]
↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
↳ PS/2 Synaptics TouchPad                   id=14   [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)]
↳ Power Button                              id=8    [slave  keyboard (3)]
↳ Sleep Button                              id=9    [slave  keyboard (3)]
↳ Video Bus                                 id=10   [slave  keyboard (3)]
↳ Lenovo EasyCamera: Lenovo EasyC           id=11   [slave  keyboard (3)]
↳ Ideapad extra buttons                     id=12   [slave  keyboard (3)]
↳ AT Translated Set 2 keyboard              id=13   [slave  keyboard (3)]
touchpad cursor 20.04

10 Answers

  1. This is solution, that has worked for me:

    sudo rmmod psmouse
sudo modprobe psmouse proto=imps

    or

    sudo modprobe -r psmouse && sudo modprobe psmouse proto=imps

    To make it permanent, edit:

    sudo gedit /etc/modprobe.d/options

    and add line:

    options psmouse proto=imps

    NOTE:

    This fix will make the touchpad be recognized as a mouse instead, which might remove some features specific to touchpads such as disable while typing.

    Hope this helps.

    • 19

  2. I've been using 20.04 since august and just and at the end of August 2020, suddenly the touchpad/trackpoint stopped working on my Lenovo Thinkpad X1 extreme.

    After struggling, getting it partially working, and eventually trying to re-install 20.04 3 or 4 times to fix the issue (initial install was fine), I found that the problem may have been introduced in the kernel 5.4.0-47-generic.

    To work around this, I select the older kernel 5.4.0-42-generic at boot time by accessing the GRUB menu and going to Advanced Options.

    Now I'm able to use the trackpad/trackpoint as before.

    I still have a bit of a display issue with suspend, but at least I can work on my laptop again.

    To configure the kernels and defaults to set, this Ask Ubuntu question is a good resource.

    UPDATE

    I raised a bug with ubuntu, and managed to resolve the issue in my case by changing the Config->Graphics Device value from Discrete Graphics to Hybrid Graphics. With Hybrid Graphics set in BIOS and running the lastest kernal/updates as of 2020-11-6 I'm able to use my trackpad/trackpoint.

    • 7

  3. You can try reinstalling touchpad driver (synaptics in your case):

    sudo apt purge xserver-xorg-input-synaptics
sudo apt autoremove
sudo apt update
sudo apt install xserver-xorg-input-synaptics

    Restart and check.

    • 6

  4. I solved my touchpad problem on Ubuntu 20.04 with this:

    1. Edit (create it if doesn't exist) the psmouse.conf file:

      sudo gedit /etc/modprobe.d/psmouse.conf

    2. Add the line:

      options psmouse synaptics_intertouch=1

    3. Then run:

      sudo modprobe -r psmouse && sudo modprobe psmouse
    • 3

  5. Disabling and enabling the touchpad in Settings somehow solves the problem.

    • 2

  6. Here's an easy and quick way to do solve the problem:

    Just press Alt+F2 and enter the command r. This will be restarting your environment for a while and then everything will work properly.

    • 1

  7. I'm running into this situation every now and then on my Lenovo laptop. Trackpad suddenly stops working; sometimes the keyboard stops too. I can rescue things a bit with the virtual keyboard. ALt-F-R doesn't solve the problem. Reboots usually restore mouse/keyboard function. Recently, none of this worked, but plugging in the dongle of a Bluetooth mouse (I think) forced a bus rescan and restored mouse/keyboard function.

    • 1

  8. Well, all I did was to get to the “settings” and enabled the touchpad which surprisingly was disabled. I will check for the next few days if there is an issue and I will report here.

    This touchpad issue happened on my ASUS N550JK and I think after I did “dist-upgrade” and my Linux distribution was upgraded.

    enter image description here

    • 1

  9. This just happened to me today with Ubuntu 20.04 5.4.0-100-generic kernel: just restarting the system with "shutdown -r now" fixed the issue.

    • 0

  10. I was facing the issue on elementary OS 6.1 (based on Ubuntu 20.04), and the problem seemed to be related to ignore while typing option getting apparently stuck. Toggling this option from System Settings > Mouse & Touchpad > Device > Touchpad > Ignore While typing got it working back on.

    • 0