HP | Power Button Board | 840693-001 | ProBook 640 G2 645 G2 640 G3 645 G3
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HP | Power Button Board | 840693-001 | ProBook 640 G2 645 G2 640 G3 645 G3
This Laptop On-Off Switch Board (840693-001) is a genuine-compatible replacement part designed for HP ProBook 640 G2, 645 G2, 640 G3, and 645 G3 laptops. It ensures proper power control when your laptop’s original button becomes faulty or unresponsive.
The board includes a built-in cable for secure motherboard connection and easy installation. It is widely used across both G2 and G3 series models, making it a universal replacement solution for these ProBook variants.
This part is officially listed as a power button board with cable and is confirmed compatible with all the mentioned models, ensuring accurate fit and stable performance.
It is ideal for fixing common issues such as:
- Laptop not powering on
- Intermittent power button response
- Broken or damaged switch
Built with durable components, it provides long-lasting reliability and is widely used by technicians and repair professionals.
🔧 Key Features
Compatible with HP ProBook 640 G2, 645 G2, 640 G3, 645 G3
Supports part number 840693-001
Includes power button board with cable
Restores laptop power on/off functionality
Durable and high-quality construction
Easy installation with precise fitProBook 640 G3