My question is simple.
xev isn't registering
Fn+F4 keypress on my Asus FX505DT running Kubuntu 19.10.
So, how shall I proceed with solving this issue?
After this much much time, I've figured out how to make this
F4 keypress recognizable by
The issue started with this key combination having the keycode
248 which isn't interpreted by the X Window system since it only accepts keycodes between
8 - 255.
248is the keycode interpreted by
showkeyin the virtual console and
8has to be added to it, which makes it greater than
255. (I don't have any reference for this but I've read this on many threads.)
Once I found out the issue, the solution was simple, to re-allocate the
F4 keypress somewhere between
8 - 255. I found the unassigned keycodes using
xmodmap -pke, and in my case I went with
Afterwards, I proceeded using this tutorial.
In my case,
showkey -swan't returning anything so I had to use
Once the keycode
120 was assigned to
F4, I assigned the
XF86AudioMicMute symbol to it using