TLBTEK Keyboard Replacement Without Backlight Compatible with HP EliteBook 745 G3 745 G4 840 G3 840 G4 and ZBook 14u G4 Series Laptop 821177-001 836307-001 819876-001 836308-001

【Compatible Models】Compatible with HP EliteBook 745 G3 745 G4 840 G3 840 G4 and ZBook 14u G4 Series Laptop.. 【Compatible Part Number】821177-001 836307-001 819876-001 836308-001. 【Specification】This keyboard with frame but without backlight.. 【Good Package】This keyboard is covered bubble bag in box,make sure you can receive a high quality keyboard.. 【Solution of keys don't work】If some keys don't work after install ,You can try to reconnect the ribbon cable in case bad connected ,pls use a dry cloth to wipe metal head of the connect ribbon,then try to connect about few times,many customer solve this problem after did this.