If you still wish to use your UWA-BR100 on Windows 10 (32-bit or 64-bit), there are three practical workarounds. Proceed at your own risk, as these require manually overriding driver signatures or using community-sourced drivers.
Cause: The UWA-BR100 is only 2.4 GHz, which is highly congested. Also, the driver defaults to energy-saving modes.
Fixes:
Sony’s official Windows 8.1 driver package (if you can locate it on archive sites) can sometimes be forced to install:
Install Wi-Fi driver:
Install Bluetooth driver:
Disable Windows automatic driver update for this device (optional but recommended) to avoid reverting to the broken generic driver. sony uwa-br100 driver windows 10
A: Right-click it > Properties > Details > Hardware IDs. If you see USB\VID_0BDA&PID_8178, the Realtek driver will work.
If you have the UWA-BR100 lying in a drawer, getting it to work on a Windows 10 desktop is a fun weekend project for a tinkerer. It supports 802.11n, which is passable for basic browsing. If you still wish to use your UWA-BR100
However, if you are looking for a primary network solution, the device shows its age.
Before diving into drivers, let’s clarify the hardware. The Sony UWA-BR100 is a USB 2.0 wireless network adapter that supports 802.11 b/g/n (2.4 GHz only). It was originally bundled with select Sony BRAVIA TVs (like the KDL series) and Blu-ray players to enable Wi-Fi connectivity for firmware updates, Netflix, YouTube, and other smart features. Change your router’s 2