I'm experiencing the same. Acer Aspire S7 392. Worked under 17.04, not under 17.10.
The only way I can change my screen brightness currently is via the command line: sudo tee /sys/class/backlight/intel_backlight/brightness <<< 200 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1727310 Title: Screen brightness slider isn't working on Acer Aspire v5 571g To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1727310/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
