[all variants] Gateway E295C special laptop keys under monitor not working

view full story

http://ubuntuforums.org – I have a Gateway E295C/C140. It's a tablet PC, which has its own set of challenges, but this one in particular is about the keys underneath the monitor (see attached picture). Ordinarily, these keys do not seem to be registered as X events using xev -- that is, no output is generated in xev when I press these keys. The only time they do anything at all in Linux is when I press one of the four buttons on the left of the D-pad first. Then, pressing up or down on the D-pad will mimic the behavior of Fn-up/down, which is to adjust the monitor brightness. For exa (Hardware)