1) sudo gedit /etc/default/grub
2) change the line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to the following GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i8042.nomux"
3) save
4) sudo update-grub
5) restart the system
I don't know what does this do, but it works. It came to me with the
solution to another Acer bug (about brightness).
SOLVED
setting a boot option: i8042.nomux
1) sudo gedit /etc/default/grub
GRUB_ CMDLINE_ LINUX_DEFAULT= "quiet splash"
GRUB_ CMDLINE_ LINUX_DEFAULT= "quiet splash i8042.nomux"
2) change the line
to the following
3) save
4) sudo update-grub
5) restart the system
I don't know what does this do, but it works. It came to me with the
solution to another Acer bug (about brightness).
Hope it will help you.