I installed Ubuntu 19.04 on HP ProBook 450 G6 and noticed my function keys for increasing/decreasing brightness both act as toggling microphone, the rest works fine (and everything works fine on Win 10). I have two questions:
- Is there a way to reconfigure actions for those two keys?
- Is this a bug that I should report to Canonical?
xmodmap -pke | grep MonBrightness
example:
Copy the lines after = for both BrighnessDown and up
Once the keycodes for fn+f3 and fn+f4 are known
xmodmap -e "keycode xxx = XF86MonBrightnessDown NoSymbol XF86MonBrightnessDown NoSymbol XF86MonBrightnessDown"
xmodmap -e "keycode yyy = XF86MonBrightnessUp NoSymbol XF86MonBrightnessUp NoSymbol XF86MonBrightnessUp"
once you logout above commands 4 and 5 will not persist..
to make them persist follow this thread https://askubuntu.com/a/1131511/739431