HP 836621-B31 keyboard is a replacement keyboard for compatible HP notebook computers. HP identifies the 836621 family as the non-backlit keyboard and lists suffix -B31 for the Netherlands country or region, distinguishing this layout variant from other country-code versions.
HP’s service guide lists this keyboard family for the EliteBook 850 G4 and the 836621 family for EliteBook 755 models. It is a notebook keyboard component intended to restore the built-in typing input when the existing keyboard needs replacement. The guide documents removal and installation as part of computer servicing.