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Accepted
Claudio C.
Asked: 2018-05-25 23:58:26 +0800 CST

Dell Latitude 5590 - How to scroll with central button

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I have a Dell Latitude 5590 with Ubuntu 18.04 installed alongside Windows 10 in dual-boot.

Inside Windows, I can scroll pages by holding the central button and moving the trackpoint.

Inside Ubuntu, such scrolling feature doesn't work.

Any ideas?

Thanks in advance.

(by the way, the same scrolling feature works on Ubuntu 18.04 with Lenovo Thinkpads)

dell mouse-scroll trackpoint

2 Answers

  1. Best Answer

    I've found the answer and solved the problem.
    I edited the file /usr/share/X11/xorg.conf.d/40-libinput.conf and I changed the following section (the one having pointer identifier), adding the two Option lines:

    Section "InputClass"
        Identifier "libinput pointer catchall"
        MatchIsPointer "on"
        MatchDevicePath "/dev/input/event*"
        Driver "libinput"
        Option "ScrollMethod" "button"
        Option "ScrollButton" "2"
EndSection
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  2. It worked for my Latitude 5401 only after changing the Ubuntu desktop from Wayland (default) to X11. Took me a while to figure this out.

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