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I was working on my laptop and suddenly my touchpad stopped working. Scrolling, left click,right click nothing is working now. However I tried attaching a mouse and it is working just fine. I tried to reboot my laptop, it did not work an later checked my mouse system settings and they were just fine.

Also tried through terminal by running query - sudo nano /etc/default/grub and changing line to - GRUB_CMDLINE_LINUX_DEFAULT="i8042.reset quiet splash" and saved it and rebooted the system, still no help.

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  • Go to Mouse & Touchpad settings and make sure the touchpad is enabled.
    – heynnema
    Dec 21, 2019 at 14:37
  • @heynnema already checked that one as well, seems fine there.. Dec 21, 2019 at 15:03
  • Do you have touchpad-indicator app or GNOME Shell extension installed? If so, has it disabled your touchpad as per its settings? Edit your question and show me ls -al ~/.local/share/gnome-shell/extensions.
    – heynnema
    Dec 21, 2019 at 15:07
  • Also, after making changes to /etc/default/grub, you have to sudo update-grub and then reboot,
    – heynnema
    Dec 21, 2019 at 15:10
  • ls -al ~/.local/share/gnome-shell/extensions I got no such file for this command. And I did reboot the system post update grub command.That was the only solution I knew Dec 21, 2019 at 16:20

1 Answer 1

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Your BIOS is really old.

As per sudo dmidecode -s bios-version you have version A04.

Using "Model is Dell Vostro 3458 and service tag number is DY5ZC72"...

Note: make sure you have a good backup before updating the BIOS.

The current version is A15, as per https://www.dell.com/support/home/us/en/19/product-support/servicetag/0-eGtKRTR2MmdlSkorWWc4RmdHVWFtUT090/drivers

See https://www.dell.com/support/article/us/en/19/sln171755/update-the-dell-bios-in-a-linux-or-ubuntu-environment?lang=en for how to do this in a Ubuntu-only environment.

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