How to Fix XB Wireless Adapter XB ACC Driver is Unavailable Bug?
1. Go to Microsoft catalog update website (there is website in the user manual), search "Xb Wireless Aadpter" in search box. Find the version file corresponding to your windows (a driver that does not match your windows will cause adapter to not work), downloaded file to a memorable folder.
2. Going back to Device Manager, right click "XB ACC" and choose "Update Driver." Select "Browse my computer for driver software." Browse for the folder that you extracted the driver to in step 1. Then choose next.
3. After successful driver update, unplug and replug device into your computer. Then hold down black button on the side, which should now start slowly blinking. Hold down button on your X One wireless controller for syncing, and two should link up .
Controller won’t connect to the adapter:(or adapter was working but isn’t responding now). Controller frequently disconnects from the adapter:
If your controller disconnects frequently from the Xb Wireless Adapter for Windows, this is typically due to environmental issues, such as no line of sight (between the controller and adapter) or a heavy amount of interference, such as from metallic objects and other Wireless devices. Try these suggestions to improve the connection between your controller and adapter:
1. Make sure you're within optimal range of the adapter (6 meters or less).
2. Use the USB extender to bring the adapter closer to your controller. Ensure you have good line of sight between your adapter and your controller. Use the USB extender to help if needed.
3. Move the adapter away from metal and do not set it directly on a metal surface.