Unfortunately your machine is NOT on the compatible list of the HP USB-C® Dock G4 (discontinued) 3FF69AA. The list is
HP ProBook 600 G4, 400 G5, G6 HP EliteBook 800 G5, 700 G5 HP EliteBook x360 1030 G6 & 1020 G2, G3, G4 HP EliteBook 1040 G4 ChromeBook x360 HP Elite x2 1012 G2 HP Elite x2 1013 G3, G4 HP Pro x2 612 G2 HP ChromeBook 13 HP Spectre Pro 13 G1 Notebook PC HP EliteBook Folio G1; HP Elite x2 1012 G1
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