This Laptop On-Off Switch Board (905755-001 / DA0X81PB6D0) is a reliable replacement component designed for HP ProBook 430 G4 and 440 G4 laptops. It plays a crucial role in controlling the power function of your device, ensuring proper startup and shutdown when the original button becomes faulty or unresponsive.

Engineered for precise compatibility, this board includes the power switch along with a flex cable, ensuring a secure and stable connection to the motherboard. It is ideal for replacing damaged or non-working power buttons and restoring full laptop functionality efficiently.

Built with durable components, this board offers long-lasting performance and consistent operation. It is widely used in HP ProBook G4 series laptops, ensuring easy installation and dependable usage for technicians and repair professionals.

Key Features:

• Compatible with HP ProBook 430 G4 and 440 G4
• Supports part numbers 905755-001 / DA0X81PB6D0
• Includes power button board with cable
• Restores laptop power on/off functionality
• Durable and high-quality construction
• Precise fit for easy installation