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
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 xorg-input- synaptics
sudo apt install --reinstall xserver-
sudo install tlp
sudo reboot
enjoy