Comment 5 for bug 1242221

Here on my Samsung NP530U3B (Intel Sandybridge 'ultrabook') running UbuntuGNOME 13.10, recently Fn keys for increase/decrease audio volume stoped working. On the other hand, Fn keys for increasing/decreasing brightness, as well as Fn keys for enabling/disabling audio, touchpad, wireless network, setting fan speed, page up/page down, home/end and print screen are working normally, including the respective notifications. The only problem with Fn keys regards increasing/decreasing audio volume.