i have found this workaround remove this line: KEY_BRIGHTNESSDOWN=224 KEY_BRIGHTNESSUP=225
from /usr/share/acpi-support/key-constants it work in my netbook -- gnome-power-manager brightness control is crazy https://bugs.launchpad.net/bugs/150086 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs