Comment 500 for bug 1776563

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Richard Baka (bakarichard91) wrote :

use these kernel parameters: i8042.nopnp acpi_osi=! acpi_osi=\"Windows 2009\" acpi_backlight=vendor
\ don't write slashes, that is just for can be able to post the comment here

sudo update-grub
sudo apt install --reinstall xserver-xorg-input-synaptics
sudo install tlp
sudo reboot

enjoy