Look for a string like USB\VID_054C&PID_044E . The VID_054C is Sony, and PID_044E is the specific product ID. Unofficial Workarounds for Windows 10
Even with a working driver, users often report that the adapter is unstable or limited in speed compared to modern, inexpensive USB Wi-Fi dongles designed for Windows 10. sony uwa-br100 driver windows 10
The Ghost Driver: Chasing Sony’s UWA-BR100 on Windows 10 Look for a string like USB\VID_054C&PID_044E
Sony’s support site lists the BR100 for VAIOs, but the Windows 10 driver is conspicuously absent. Forum threads from 2015–2024 read like a digital detective saga: sony uwa-br100 driver windows 10
