luka@Legion:~$ ls /sys/class/backlight acpi_video0 luka@Legion:~$
there is an option in the bios to enable hybrid graphics but the laptop does not boot up if I enable it -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1861532 Title: brightness control not working [Lenovo Legion Y540/Y545] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1861532/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
