Trackpad two finger scrolling and right-click issue with Ubuntu 17.10 (i386, 64bit, GNOME 3.26.1) on a Lenovo T540p (the model with a Intel Core i5-4210M Haswell CPU etc)

  • What is the question? I only see a statement. – Rinzwind Oct 21 '17 at 20:13
  • This affected my ThinkPad X250 also on 17.10. The answer of @hpotter40 below worked for me. – Majal Nov 2 '17 at 0:51

I have the same issue on my Thinkpad T450s. This issue is referenced on launchpad here:

It seems to happen after a resume. The workaround described on LP1722478 works for me:

sudo modprobe -r psmouse
sudo modprobe psmouse

Update for other ThinkPad users, as per the hard work done here, the workaround is as follows...

Edit the file /etc/default/grub and change the line:



GRUB_CMDLINE_LINUX_DEFAULT="quiet splash psmouse.synaptics_intertouch=0"


sudo update-grub

and reboot.

  • Awesome! Nicer than the modprobe solution IMO since that also requires adding the modprobe commands in the resume in pm-utils. – Chester Oct 14 at 0:05

I guess I know what you mean. If you install Gnome Tweaking Tool, a.k.a. Tweaks, you can go to Keyboard & Mouse > Click Method > Fingers. That might solve it.

I had the same problem. In Gnome Tweaks, 'Keyboard & Mouse' settings, changing the click method to 'Areas' got the right-click working again.

You probably were using Unity as your desktop environment before and are using Gnome Shell now. (Whether you wanted it or not, the upgrade decided for you.)

If you want to use Unity even now, that is an option, and it will resolve your problem. You may already have Unity installed, whether you know it or not, but in case you don't:

sudo apt install unity

Then when you restart and select your user on the login screen, don't enter your password right away. Instead, notice the little gear icon by your 'Sign in' button. Click it, and you should see that you have a choice between 'Ubuntu', 'Ubuntu on Xorg', and 'Unity'. Click 'Unity', then sign in with your password as usual.

I recommend this for users who want to go back to the environment they had before.

About the two finger scrolling, try with three fingers, that worked out of the box for me on my Lenovo X1 Carbon 2015.

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