Olivier, try this command from your gnome/kde terminal: xrandr --output LVDS --set BACKLIGHT_CONTROL native
And after that see if your brightness keys now work. If they do, that you're probably now dealing with bug #176888. -- Fn keys on VAIO don't produce keystrokes nor ACPI events https://bugs.launchpad.net/bugs/251665 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs