Laptop IO Power Button Board with HDMI USB Audio Port & FPC Cable, Compatible with Lenovo Yoga 900-13ISK 900-13ISK2, Part No. NS-A411 NS-A412 DA30000FQ30 BYG40

This laptop side IO daughterboard is a dedicated replacement spare part exclusively designed for Lenovo Yoga 900-13ISK and Yoga 900-13ISK2 13-inch laptops, marked with official part codes NS-A411, NS-A412, DA30000FQ30 and BYG40. It integrates multiple core peripheral interfaces into one compact circuit board to restore full side port functionality for your notebook.

The board builds in four essential modules: physical power on/off button to boot the laptop, standard USB port for data transmission and peripheral connection, 3.5mm combo audio jack for headsets and microphones, and HDMI output port for external monitor projection. It is pre-equipped with the matching flexible flat FPC cable DA30000FQ30, which directly plugs into the main motherboard without purchasing extra wiring separately.

Every single board undergoes complete pre-delivery testing covering power startup, USB data reading, audio input/output and HDMI video display to guarantee zero defective delivery. High-quality PCB and original chip components are adopted to avoid loose contact, short circuit or intermittent port failure after long-term use.

It perfectly solves common laptop breakdown issues including failure to power on, unresponsive USB ports, no sound via headset jack, no image output through HDMI, or broken original IO board caused by frequent plugging, impact and aging. The board retains the original mounting hole layout, enabling quick disassembly and replacement following standard laptop maintenance steps, compatible with all Yoga 900 13ISK series variants.

Suitable for notebook repair shops, DIY maintenance enthusiasts and personal users who need to repair damaged side IO interfaces, an affordable and fully matched original replacement component for Lenovo Yoga 900 series ultrabooks.