After you install the 18.04 image, it will show the dim screen. After suspend, the backlight is normal.
$ cat /var/lib/systemd/backlight/* 12 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1802834 Title: Dim screen after first boot on Thinkpad A285 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1802834/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
