HP EliteBook 840 G1 / 840 G2 / 745 G1 / ZBook 14 Power Button Board Replacement

Power button board replacement compatible with HP EliteBook 840 G1, 840 G2, 745 G1 and HP ZBook 14 series laptops. This internal power switch module connects the laptop’s power button to the motherboard through a flex cable, enabling reliable startup and power control. It is commonly replaced when the laptop fails to power on, has an unresponsive power button, or requires repeated pressing to start. This board is designed for direct fit installation and is fully compatible with shared chassis designs across these HP EliteBook and ZBook models, making it a trusted solution for restoring normal power function.