RE: e6420 standard keyboard to backlit
Thanks for the post! The latest BIOS for your system can be downloaded from the Drivers & Download pages linked below. I would also recommend installing the “Dell Feature Enhancement Pack Application”. Once the Keyboard Illumination is enabled in your systems BIOS, the Feature Enhancement Pack can be used to configure functionality within Windows.
Latitude E6420 – Dell Drivers & Downloads
This field lets you choose the operating mode of the keyboard illumination feature. The keyboard will automatically illuminate when the internal keyboard, touchpad or pointstick are used.
The <Fn + Right Arrow> hotkey can also be used to change this setting during normal system operation.
The keyboard illumination brightness level can be set from the following options:
Default setting: Level is Disabled