Please try the following steps:

• Disconnect the docking station from your laptop and all connected devices. Wait at least 5 minutes. Then, restart your laptop and reconnect the dock.

• If you're using a MacBook, go to System Settings > Sound, then under the Output tab > select Anker 3.5 mm Audio as the output device.

• Test the dock with another laptop.

• Try using a different headset.

If all of the steps above cannot help you locate and resolve the problem, please contact Anker Customer Support for further assistance. Briefly mention the steps that you’ve already tried for a faster solution.