BLZBNTBNA00000FB1

Updated: 3 years ago
Article ID: 28885
Product:

Common Problems

We can't detect a microphone or headphones.
Error Code: BLZBNTBNA00000FB1

There is an issue preventing the Battle.net desktop app from using your audio device, typically caused by a problem with the device driver. Update your driver, or use a different device.

Tried everything here?

If the steps above did not resolve your problem, visit our Technical Support forum or contact us.