Back in 2018, a college student named Maya bought a refurbished Lenovo ThinkPad X220 to use for her computer science classes. The laptop was a tank—built like a brick, great keyboard—but it had one annoying quirk. The Wi-Fi would randomly drop, show limited connectivity, or refuse to see any networks at all.
Windows 10 may block unsigned legacy drivers. wis09abgn driver windows 10