Update: none of the fn keys is working more after the upgrade from 13.10 to 14.04, except laptop monitor on/off button.
The fn keys are:
keyboard backlight increase
keyboard backlight decrease
monitor lightness increase
monitor lightness decrease
monitor switch
trackpad on / off
volume off
volume down
volume up
screenshot
camera
cpu governor (fn+space).
calculator (fn+keynum enter).
Update: none of the fn keys is working more after the upgrade from 13.10 to 14.04, except laptop monitor on/off button.
The fn keys are:
keyboard backlight increase
keyboard backlight decrease
monitor lightness increase
monitor lightness decrease
monitor switch
trackpad on / off
volume off
volume down
volume up
screenshot
camera
cpu governor (fn+space).
calculator (fn+keynum enter).