


Any questions? Our AI beta will help you find out quickly.
HDMI interface board (BA7H91) is a dedicated replacement/upgrade part for Lenovo ThinkCentre M70q, M90q, M75q Gen 2 and ThinkStation P340, P350 Tiny mini PCs. It supports multiple official part numbers: 5C50W31952, 5C50W00889, 5B50W31955, ensuring broad compatibility across these compact models.
It solves common issues like no HDMI output, loose connection, or physical port damage, restoring reliable HD/4K video signal to monitors, TVs, and projectors. Built with high-quality circuit boards and electronic components, it delivers stable performance and long-term durability for daily office or home use.
Installation is simple and tool-freejust remove the old board and plug in this new one. No complicated setup or drivers required. This is a cost-effective alternative to full system replacement, helping you extend the life of your Lenovo Tiny host efficiently.
Specifications