Cannot click and drag on trackpad

Bug #1763209 reported by Aaron Seibring on 2018-04-11
This bug affects 4 people
Affects Status Importance Assigned to Milestone
unity-greeter (Ubuntu)

Bug Description

I was previously using Ubuntu 17.10, but just upgraded to 18.04 today. After upgrading, I found that I could no longer click and drag using my trackpad, so I've been unable to drag files anywhere or highlight text without using an external mouse. This is on Dell XPS 13 L321X.

Whenever I try to click and drag, the mouse just stops moving wherever it was, and I cannot move the mouse until I click again.

External USB mouse seems to work perfectly fine.

Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in unity-greeter (Ubuntu):
status: New → Confirmed

I am having the same issue on a Dell XPS 13 L322X.

André (andre-miras) wrote :

I had the same issue after migrating from Kubuntu 14.04 to Kubuntu 18.04 on a XPS L321X.
Installing xserver-xorg-input-synaptics fixed it for me.

Kieran O'Neill (oneillkza) wrote :

I'm also having this issue, on a Lenovo Thinkpad T450S.

One thing I notice is that the touchpad doesn't completely disable when I click. Rather, the speed seems to be turned right down.

Also, click and drag works fine if I click using the hard button above the touchpad, but that's not really desirable, as it turns it into a two-handed operation.

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