HP ProBook 640 G1 645 G1 650 655 G1 Power Button On/Off Switch Board

This power button on/off switch board is a high quality replacement designed for HP ProBook 640 G1 laptops. It is used to restore proper power control when the laptop fails to turn on, requires multiple presses, or has an unresponsive power button. The switch board connects directly to the motherboard and ensures accurate signal transmission for reliable startup and shutdown functions. It is specifically compatible with HP ProBook 640 G1 models and helps resolve common issues caused by a faulty, worn out, or damaged power switch assembly. This part is ideal for professional technicians as well as DIY laptop repairs aiming to restore normal laptop operation.