try the steps below:
- Open Device Manager.
- On the menu bar, click View and select Show hidden devices
- Expand the Bluetooth Auxiliary section. This section will reveal hidden devices.
- Double click the Advanced Audio Distribution Profile (Sink), or the first entry on the list.
- In the properties box that appears, select the Driver tab and click the Update Driver button.
- Click Browse my computer for drivers.
- Click Let me pick from a list of available drivers on my computer.
- In the list that appears, select Microsoft Bluetooth A2dp Source (or an entry that shows Microsoft in its full name) and click Next.
- Repeat fourth to eight for each device listed under Bluetooth Auxiliary. There may be multiple devices listed with same name. Each duplicate entry represents a different Bluetooth device that Windows attempted to assign a default driver to.
- You should notice all devices under Bluetooth Auxiliary will disappear. The Bluetooth Auxiliary section will no longer exist. The devices should now appear under sections like Bluetooth, Sound, video, and game controllers, Audio inputs and outputs, and System Devices.
- Restart your PC.
- After rebooting, try reconnecting your Bluetooth device again.
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