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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1776563 Title: Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't load, kernel freeze (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash To manage notifications about this bug go to: https://bugs.launchpad.net/amd/+bug/1776563/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs