When the microphone is not sounding, you should first test the microphone instead of changing the device directly. 1. Check whether the microphone is tight and ensure the connection is stable; 2. Make sure that the system permissions are turned on, Windows users enter "Settings-Privacy-Microphone", Mac users check "System Settings-Privacy and Security-Microphone"; 3. Try to plug and unplug the microphone or replace the USB interface; 4. Use system tools to test recording, Windows observe the dynamic bar of "Sound Settings-Input Device", and Mac opens "Audio MIDI Settings" to view the waveform; 5. Actual recording and playback test through WeChat voice and other tools; 6. Visit trusted online testing websites such as OnlineMicTest to quickly judge the problem; 7. Adjust the microphone gain or input volume to ensure the volume level is appropriate; 8. Make sure the default recording device is correct to avoid the system's mistaken selection of other devices; most problems can be solved through setting troubleshooting, and there is no need to rush to replace the hardware.
If you turn on the computer and want to hold a meeting or record a sound, but others say they can't hear your voice. At this time, the first reaction should be to test the microphone. Don't rush to change the device, first confirm whether it is a problem with settings or connection.

Check basic connections and permissions
First, check if the microphone is plugged in properly. If you are using an external microphone, be sure to plug in tight enough whether it is a USB port or a 3.5mm audio port. Sometimes when you lose yourself and you don’t notice it, the system may not recognize it.

If it is a microphone that comes with the laptop, check the permission settings. In Windows, you can go to "Settings-Privacy-Microphone" to confirm whether the application is allowed to access the microphone. Mac users can view which apps have permissions in System Settings - Privacy & Security - Microphone.
- Try plugging and unplugging the microphone
- Switch to different USB ports to see if there is any response
- Confirm that permission is enabled in system settings
Test recording with the system's own tools
There is a very direct method for Windows: open "Sound Settings" and find the "Input Device" section. When you speak, you will see a dynamic bar showing the microphone input intensity. If you don't move, it means that the hardware may not be recognized or broken.

Mac users can use "Audio MIDI Settings" to test. Open "Applications - Utility - Audio MIDI Settings" and then speak to the microphone. There will be a green waveform in the interface, indicating that there is a signal input.
You can try recording a short voice, such as using the WeChat voice message function to post a sentence "test test", and then play it back and listen to see if there is any problem.
Quick judgment using online testing website
If you are too lazy to adjust the system settings, you can directly open the browser to access some online microphone testing websites, such as OnlineMicTest or VoiceChanger.io's testing functions. They usually automatically call your microphone, letting you speak and then play it out.
The advantage of this type of website is that you don’t need to download any software, you can use it by clicking it. But be careful not to authorize the microphone to unknown websites casually, just choose a good reputation.
Adjust microphone gain and default device
Sometimes it’s not that the microphone is broken, but that the sound is too small and the system cannot record it. At this time, you can go to "Sound Settings-Input" to adjust the "Gain" or "Volume Level" of the microphone. On Windows, you can click on the microphone name to enter the detailed settings, while on Mac, you can use "Audio MIDI Settings" to adjust the input volume.
Also make sure that the microphone you are currently using is the one you really want to use. Especially when you plug in multiple devices, the system may use something else by default.
- Turn on the sound settings to see which device you are using
- Turn up the input volume of the microphone
- If there is "enhanced" function, try turning it on
Basically, these are the steps. Start with the simplest check, and don’t think the equipment is broken as soon as you get started. Many problems are actually just setting but not adjusting correctly.
The above is the detailed content of How to test my microphone. For more information, please follow other related articles on the PHP Chinese website!

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