The issue arises when the affected user tries to use his Bluetooth headset with the system but he can only use either the headphone or speaker but not both at the same time. Before moving on with the solutions, make sure your headset is not faulty (try to use it with another device). Moreover, make sure you are using the latest version of Windows and system drivers (try to use the updated version of the Bluetooth driver from the manufacturer’s website). Additonally, check if restarting the services (launch services with administrator privileges) related to Bluetooth and system audio solves the issue. Furthermore, check if selecting the headset from Windows 10 Volume control (right-click on the Volume icon in the system’s tray) solves the issue.
Solution 1: Run the Audio Troubleshooter
You may fail to use the Bluetooth headset if the audio modules of your system are in an error state or not configured properly. In this scenario, running the built-in Audio troubleshooter may clear the glitch, and thus the problem is solved.
Solution 2: Change the Icon of the Headset in the System Settings to Correct its Type
You may fail to use the Bluetooth headset properly if it is wrongly marked as a speaker (or as another device) in your system settings. In this scenario, changing the icon in the system settings which will change the type of the headset to the correct one may solve the problem.
Solution 3: Disable Microsoft Bluetooth LE Enumerator
The Microsoft Bluetooth LE Enumerator is a native Windows protocol to organize the Bluetooth devices and enhance the communications between the system and other devices. You may encounter the error under discussion if the said Bluetooth protocol hinders the operation of the headset (if the headset is not using the Bluetooth Low Energy). In this scenario, disabling the Microsoft Bluetooth LE Enumerator may solve the problem.
Solution 4: Disable/Enable the Bluetooth Device’s Services
The headset issue could be a result of a temporary glitch in the Bluetooth-related services of your system. In this case, re-enabling the device’s services may clear the glitch and thus solve the problem.
Solution 5: Disable Applications’ Control Over the Sound Device
You may fail to use the Bluetooth headset if any of your applications are interfering in the operation of the headset as these applications have control over the sound device. In this context, disabling the applications’ control over the sound devices may solve the problem.
Solution 6: Select the Required Mode of the Bluetooth Headset
Your system may show two devices for the problematic headset (due to the Bluetooth profile used) one as headphone and the other as headset/handsfree. You may encounter the error under discussion if you are using the wrong mode (e.g. if you required headset/handsfree mode but you are using headphones). In this context, selecting the required mode and disabling the other one may solve the problem.
Solution 7: Reinstall the Bluetooth Drivers
You may fail to use the Bluetooth device properly if you are using wrong Bluetooth drivers or the installed drivers are corrupt. In this context, reinstalling the Bluetooth drivers may solve the problem. If you are using a Sound Manager like Realtek, then remove it to check if it was causing the issue. If the issue is there, check if removing the Bluetooth controller software helps in solving the problem (if you are not using one, then try to install and use the Bluetooth controller software). You can also try the Windows built-in Speech Recognition to clear out the glitch. If that does not solve the issue, then try to reset your system to the defaults. If the issue is still there, then maybe your headset or the Bluetooth chip (you can try another Bluetooth USB dongle) of your system is faulty. You may have to get them checked for any hardware issues. If the issue persists even after trying all the solutions, you can set the speaker of your system to headphones and mic to the laptop till the issue is resolved.
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