# How to Fix macOS Screen Capture Failure

If macOS Screen Capture fails in the PRISM PC app, check the error message in the preview area and follow the steps below.

***

### **1. Window Not Found**

{% hint style="info" %}
**Error Message**

The selected window is closed or minimized, so its screen cannot be captured.
\
Please reopen and activate the window.
{% endhint %}

If the selected window is closed or minimized, the screen cannot be captured.

**Solution:**

1. Reopen the window and make sure it is active.

### **2.** Display Not Found

{% hint style="info" %}
**Error Message**

The display could not be found.
\
Please check if the external monitor is connected properly.
{% endhint %}

The selected display cannot be detected.\
Please check if an external display is connected properly.

**Solution:**

1. Ensure the display is turned on and properly connected.
2. Try selecting the display again.

### **3.** No Available Windows/Displays/Apps or Permission Missing

{% hint style="info" %}
**Error Message**

Screen capture permission is not granted.
\
Please allow PRISM’s Screen Recording permission in
\
macOS System Settings > Privacy & Security.
{% endhint %}

Screen capture is not allowed due to insufficient permissions.

**Solution:**

1. Go to **System Settings > Privacy & Security**
2. Enable **Screen Recording** permission for PRISM
3. Restart PRISM and try again

### **4.** System Error (e.g., Device Issue)

{% hint style="info" %}
**Error Message**

An issue occurred while capturing the screen.
\
Please restart PRISM or your Mac and try again.
{% endhint %}

A system-related issue occurred during screen capture.

**Solution:**

1. Restart PRISM or your Mac and try again.
2. Re-select the screen or window if needed.

[Desktop](/desktop/overview.md), [Guides](/desktop/guides.md), [Error Solution](/desktop/guides/error-solution.md)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://guide.prismlive.com/desktop/guides/error-solution/source/how-to-fix-macos-screen-capture-failure.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.