The problem that the microphone cannot be used on Windows can usually be solved by the following steps: 1. Check whether the microphone is muted or the volume is too low, enter the volume control panel to confirm that the microphone is not muted and turn the input volume to the appropriate position; 2. Confirm that the microphone is correctly selected as the default device, enter the sound settings through the taskbar volume icon and select the correct input source, and set it as the default device in the recording tab of the sound control panel; 3. Update or reinstall the audio driver, expand the relevant device categories in the Device Manager, right-click to select Update or Uninstall the driver, and then restart the computer to allow the system to automatically reinstall the driver; 4. Check the privacy settings and application permissions, turn on the microphone access permissions in the privacy options set by the system, and ensure that the microphone permissions of the specific application are also enabled. Most problems are caused by setup errors rather than hardware corruption. Sequential inspections can usually restore normality. If they still cannot be solved, you can try replacing the device to confirm the problem.
The microphone is not available on Windows and is a common problem that many people encounter when they are having video conferencing, voice chat or recording. There may be many reasons for this situation, but most of the time, it can be solved through some simple methods.

Check if the microphone is muted or the volume is too low
This is the easiest issue to ignore. You can first look at the sound icon in the lower right corner of the taskbar, click to open the volume control panel, and confirm that the microphone is not muted and the input volume has not been set to the lowest level.

- Open Sound Settings → Sound Control Panel → Double-click the microphone device (maybe "microphone" or "stereo mix" etc.)
- Check if "Mute" is checked and pull the volume to the upper middle position
Sometimes these settings will be reset after the system is updated, so even if you have adjusted it before, it is worth checking it again.
Confirm that the microphone is correctly selected as the default device
If you plug in multiple audio devices, such as external sound cards, headphone microphones, and USB microphones, Windows may have selected the wrong input source.

The operation method is as follows:
- Right-click the taskbar volume icon → “Sound Settings”
- View the currently used device in the "Input" section
- If it's not the one you want to use, select the correct microphone from the drop-down menu
In addition, in the "Record" tab of the "Sound Control Panel", you can also see all available microphone devices, right-click to select "Set as Default Device".
Update or reinstall the audio driver
Drive problems are also a common reason why the microphone is not working. Especially when you have recently upgraded the system version, or if your computer has not updated the driver for a long time.
You can try the following methods:
- Open Device Manager → Expand Audio Input and Output or Sound, Video, and Game Controllers
- Right-click your microphone device or audio device → select "Update Driver"
- Or right-click to select "Uninstall Device" and restart the computer to automatically reinstall the system
If manual operation is troublesome, you can also use some official driver management tools from mainstream brands, such as driver assistants provided by Realtek, Intel, etc.
Check privacy settings and application permissions
Win10 and Win11 have privacy protection mechanisms for microphone access, and the microphone permissions of some software may be turned off by default.
The operation path is as follows:
- Settings → Privacy → Microphone
- Make sure "Allow access to microphone" is on
- Scroll down to find the app you want to use (such as WeChat, Zoom, Teams, etc.) to make sure its switch is also turned on
Some software will not pop up permission requests when it is running for the first time, and you need to take the initiative to open permissions here.
Basically, these common investigation directions. In many cases, the problem lies in the setup rather than the hardware corruption. Check it in sequence and it usually solves the problem. If all the uncomplicated but easily overlooked areas are still not possible, then you may want to consider changing the equipment.
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