> ## Documentation Index
> Fetch the complete documentation index at: https://docs.talview.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Why did my Audio check fail?

We use your microphone to capture responses and ensure assessment integrity. Any disruption can prevent the test from starting or recording correctly. Resolving audio errors avoids delay and technical issues during the exam.

Follow this guide to identify and fix common microphone issues before starting your assessment.

## ✅ Common causes and fixes

| What might be wrong?                  | What to do ?                                                           |
| :------------------------------------ | :--------------------------------------------------------------------- |
| **Microphone not connected**          | External or USB microphones may not be recognized.                     |
| **Incorrect input device selected**   | System or browser may default to a different microphone.               |
| **Muted microphone**                  | Mic may be muted physically or via software.                           |
| **Permissions not granted**           | Browser or OS may block microphone access.                             |
| **Conflicting applications**          | Apps like Zoom or Skype may conflict the mic access.                   |
| **Low volume or environmental noise** | Mic sensitivity or background noise can prevent detection.             |
| **Audio output routing issue**        | Incorrect playback device can interfere with instructions or feedback. |

<Tip>
  ### Additional Tips

  * Grant microphone permissions in your browser (click the lock icon)
  * Select the correct microphone in system sound settings
  * Close other apps that may be using the microphone
  * Use wired headphones with a built-in mic
  * Sit in a quiet, furnished room
  * Always [\*\*test \*\*](https://video-diagnostics.talview.org/)your microphone before starting the exam.
</Tip>

## 📚 Related Articles

Still seeing the warning? Try these steps:

* [Preparing Your Audio Setup for the Test](https://docs.talview.com/candidates/system-diagnostics/preparing-your-audio-setup-for-the-test)
* [**Why does using headphones improve test audio quality?**](https://docs.talview.com/candidates/system-diagnostics/why-does-using-headphones-improve-test-audio-quality)