Try reading the max brightness value: cat /sys/class/backlight/intel_backlight/max_brightness
and also writing brightness values (as root using sudo) to: /sys/class/backlight/intel_backlight/brightness ** Summary changed: - Screen brightness slider does not change laptop display brightness + [Acer Aspire A715-76G] Screen brightness slider does not change laptop display brightness -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2161391 Title: [Acer Aspire A715-76G] Screen brightness slider does not change laptop display brightness To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/2161391/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
