HP 844423-031 is a backlit UK-layout keyboard assembly listed for the HP EliteBook Folio 1040 G3. It is intended as a replacement keyboard for this notebook, with UK key layout and integrated backlighting for typing when the surrounding light is low.
The assembly has a spill-resistant design and DuraKey coating. It includes both the keyboard cable and the backlight cable, the connections needed for the keyboard and its illumination in the supported notebook.
This is the UK variant of the 844423 keyboard family, identified by the -031 suffix. Its defined purpose and included cables make it a specific service part for the compatible notebook model.