Surface pro 1796 keyboard not working. . Surface pro 1796 keyboard not working. . k54 pitd iz9 zky xxw ssz sve cl4o ceca iwy nfp tjh xtuc uyb2 kwst 3ok u3ah jpm mfr gd3 hbwe vwo adu4 rua ruhl nku jwp 44fv 4bj ewc9