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Thread: Loss of Trackpad function

  1. #1
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    Loss of Trackpad function

    I have Lubuntu 18.04.3 installed on my Dell Inspiron 14-3452 laptop and I have been cruising dumb, fat, and happy for several years until the release of kernel 4.15.0-72. Since I use a wireless mouse when I am at home I did not notice that my trackpad was no longer functioning until I attempted to use it outside of my home. After research on the Internet and attempting various fixes, I thought perhaps I should check the kernel. When I booted from a previous kernel ( 4.15.0-70) the trackpad function was restored. While this is a work around is there a fix for the trackpad to enable me to use the current kernel for my distro.
    Last edited by Rex Bouwense; December 4th, 2019 at 07:11 PM.
    Rex
    Lubuntu 18.04

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  2. #2
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    Re: Loss of Trackpad function

    I would expect 18.04.3 to run a kernel in the 5 series. Is the system fully updated?
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts.
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  3. #3
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    Re: Loss of Trackpad function

    Yes the system is fully updated. However, it was installed as 18.04 and that version uses the 4.15 kernel. I don't believe the kernel is automatically upgraded as updates are released A fresh install would of course be using 5.xx.
    Rex
    Lubuntu 18.04

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  4. #4
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    Re: Loss of Trackpad function

    I have an 18.04 installed 2019-03-24. Uname -a gives
    Code:
    5.0.0-37-generic #40~18.04.1-Ubuntu SMP Thu Nov 14 12:06:39 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
    The difference is probably that I installed the .1 version back then.

    Anyway, it seems like a bug has been introduced into an old kernel. Have your tried a live boot of a newly downloaded 18.04.3 / 19.10 for comparison?
    Last edited by mrgs; December 6th, 2019 at 04:12 PM.
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts.
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  5. #5
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    Re: Loss of Trackpad function

    Yesterday I had booted with a live Ubuntu 18.04.3 and this morning I just booted with a live Lubuntu 18.04.3 and the trackpad functions as it should. So apparently I have a choice of 1. reinstalling Lubuntu. 2. Installing a 5.xx linux kernel. or 3. Continue to use the 4.15.0-70 kernel until a new update is released.
    Rex
    Lubuntu 18.04

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  6. #6
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    Re: Loss of Trackpad function

    If you go for 2) then the command is
    Code:
    sudo apt install linux-generic-hwe-18.04 xserver-xorg-hwe-18.04
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts.
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  7. #7
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    Re: Loss of Trackpad function

    Gracias
    Rex
    Lubuntu 18.04

    Ubuntu Arizona LoCo Team - The Hottest LoCo on Earth
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  8. #8
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    Re: Loss of Trackpad function

    Rex
    Lubuntu 18.04

    Ubuntu Arizona LoCo Team - The Hottest LoCo on Earth
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