Controller Technology Unveiled: The Heart of Computing | Lenovo US
How to Download and Update Your USB Controller Drivers A is the hardware on your motherboard that manages data flow between your computer and all connected USB devices—like your mouse, keyboard, and external hard drives. When these drivers are missing or outdated, your ports may stop responding, or you might see a "USB Device Not Recognized" error.
Here is how to download, install, and troubleshoot your USB controller drivers. 1. Update Automatically via Windows