*** This bug is a duplicate of bug 1853277 ***
https://bugs.launchpad.net/bugs/1853277
Appending "i8042.nopnp=1 pci=nocrs" to boot parameters worked for the
touchpad issue on the Lenovo V14-IIL .
Following are the steps I've followed:
1.) Open the file /etc/default/grub for editing, for example by running
sudoedit /etc/default/grub
2.) Add to the line beginning GRUB_CMDLINE_LINUX_DEFAULT: "i8042.nopnp=1
pci=nocrs" so that it reads:
GRUB_CMDLINE_LINUX_DEFAULT="i8042.nopnp=1 pci=nocrs"
** If other parameters are there between the double quotes, it may be OK
to leave them.
3.) Save the file and exit
4.) Run this command to update the GRUB configuration:
sudo update-grub
5.) Reboot
Other relevant threads for this:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1881322/comments/5
https://askubuntu.com/questions/1206190/elan-touchpad-not-working-on-lenovo-ideapad-with-ubuntu-16-04
https://forums.lenovo.com/t5/Ubuntu/ThinkBook-14-IML-ELAN-TouchPad-Not-Recognized-Ubuntu/m-p/4622518?page=2#5104555
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861610/comments/66
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861610/comments/96
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https://bugs.launchpad.net/bugs/1883010
Title:
Lenovo-ThinkBook-14-IIL Touchpad not working
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