" It is work for me now. Did you do any update to fix this? "
That is because I move to GNOME and it is working only in GNOME and not KDE. -- acpi video module prevents brightness adjusting https://bugs.launchpad.net/bugs/74284 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs