First, change the default playback device through the system sound settings, right-click the volume icon and select Sound Settings, select the target device in the output options and test; then set the default microphone in the recording tab of the sound control panel, right-click the required device and set it as the default; you can also use third-party tools such as AudioSwitch to quickly switch input and output devices; advanced users can use the nircmd command line tool to achieve automatic switching, and use the setdefaultsounddevice command to specify the playback or recording device.

If you find that sound is not outputting from the expected device when using a Windows computer, or the wrong microphone is selected when recording, the default audio device may be set incorrectly. Here's how to adjust Windows' default audio playback and recording devices.

The running environment of this article: Lenovo Xiaoxin Pro 16, Windows 11.

1. Change the default playback device through system sound settings

This method is suitable for changing the audio output device, such as making speakers or headphones the default playback device. All app volumes not specified for a device will be directed to that device.

1. Right-click the volume icon in the lower right corner of the taskbar and select Open Sound Settings .

2. In the "Output" section, click the drop-down menu and select the playback device you want to set as the default from the list.

3. After selection, the system will automatically apply it. You can click the test button to confirm whether the sound is output normally.

2. Set the default recording device through the sound control panel

This method is used to change the default input device, ensuring that applications such as conferencing software or recording tools use the correct microphone.

1. Right-click the taskbar volume icon, select Sound Settings , then scroll down and click the "More Sound Settings" link.

2. Switch to the "Recording" tab in the pop-up "Sound" window.

3. Find the microphone device you want to set as the default in the list, right-click and select Set as Default .

4. Click "OK" to save the changes.

3. Use third-party audio management tools to switch default devices

Some users may need to switch audio devices frequently, and using third-party tools can achieve quick switching and more fine-grained control.

1. Download and install a tool that supports default device management, such as AudioSwitch or EarTrumpet.

2. Open the software interface and view the list of currently available playback and recording devices.

3. In the playback device list, click the target device name, and the program will immediately set it as the system default output.

4. For recording equipment, it can also be directly selected in the list and activated as the default input.

4. Quickly switch audio devices through the command line

Advanced users can implement automated device switching through scripting, which is suitable for rapid configuration in multiple scenarios.

1. Download and install the command line audio device switching tool under Windows platform, such as nircmd.

2. Place nircmd.exe in any directory and open the command prompt as an administrator.

3. Execute the command: nircmd.exe setsysvolume 50000 to adjust the system volume to the middle value (optional).

4. Use the command: nircmd.exe setdefaultsounddevice "Speaker" 1 Set "Speaker" as the default playback device.

5. If you need to set the recording device, use parameter 2 instead of 1, for example: setdefaultsounddevice "microphone" 2 .

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