Power button board HP ProBook 450 G3 with flex

Is the aan/uit-knop bord on your HP ProBook 450 G3 (HP ProBook 450 G3, HP ProBook 455 G3, ~2015-2017) not working properly anymore? This small board with flex contains the power button and plugs straight into the motherboard. Drops in 1-to-1 — no changes to cables or housing needed.

Specifications

• Type: power button board with flex cable
• Compatible: HP ProBook 450 G3 (and 455/470 G3)
• Plug-in connector on motherboard
• Click button included
• 1-to-1 replacement
• No soldering required

Symptoms of a faulty part

• Power button doesn't respond or only after multiple presses
• Button gets stuck or no longer clicks back
• Laptop boots by itself or sleeps by itself
• Power LED behaves randomly

Installation

🟡 Difficulty: medium. Time: about 30 minutes. Tools: Phillips PH0, T6 Torx and plastic spudger. Open the bottom panel, disconnect the battery, partially loosen the palmrest to access the board.

Frequently asked questions

Does this also fit a 450 G2 or G4?
No, only the G3 generation. The G2 has a different connector, the G4 too.

Will my pointing stick still work after this repair?
Yes, this board only handles the power button. Pointing stick and touchpad are untouched.

Can I do this without soldering?
Yes, the board plugs into a connector. No soldering required.