Dell Command | Configure Version 3.1 Command Line Interface Reference Guide

Enables or disables the keyboard backlight when the system is running on Alternating Current (AC) power or if an AC power adapter is plugged in.

• enable — Enables the keyboard backlight even after the 10 seconds of inactivity.
• disable — Disables the timer that fades the keyboard backlight after 10 seconds of inactivity.

Note: If the keyboard backlight is disabled by pressing <Fn> + <F10>, then the keyboard backlight remains turned off, even if the AC power adapter is plugged in.

C:\>cctk --keyboardbacklightonacpower=enable
                                                      keyboardbacklightonacpower=enable