1. Check Microphone Settings

• Ensure the microphone is set as the default recording device.
• Go to Settings > System > Sound and check the input device settings.

2. Run the Troubleshooter

• Use the built-in Windows troubleshooter for audio issues.
• Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters and select Recording Audio.

3. Update Audio Drivers

• Update your audio drivers from the Lenovo Support site or use the built-in Microsoft driver.
• Visit the Lenovo Support page for the latest drivers.

4. Check Microphone Privacy Settings

• Ensure apps have permission to use the microphone.
• Go to Settings > Privacy > Microphone and make sure the toggle is on for the apps you want to use.

5. Test with Different Applications

• Sometimes the issue might be with a specific application. Test the microphone with different apps like Skype or Zoom to see if the problem persists.

6. Hardware Check

• If none of the above steps work, there might be a hardware issue. Contact Lenovo support for further assistance.

For more detailed instructions, you can refer to the Lenovo support article on microphone issues