# Controller factory reset

{% hint style="info" %}
If the DeltaQuad Controller is experiencing issues such as app malfunctioning, crashes, or general malfunctioning, performing a factory reset can often resolve these issues. 
{% endhint %}

Follow the steps below to reset your controller to its factory settings:

1. Power on the controller.
2. Go to the *Settings.*

<figure><img src="/files/wzBQqdt3xJzKAdwuGN9A" alt="" width="563"><figcaption></figcaption></figure>

3. Go to *System*.

<figure><img src="/files/KDI2fN3jazT1bbXuzJrM" alt="" width="563"><figcaption></figcaption></figure>

4. Navigate to *Reset options*.

<figure><img src="/files/1ijStYBQ0JKbaZDgRaFo" alt="" width="563"><figcaption></figcaption></figure>

5. Choose *Erase all data (factory reset).*

<figure><img src="/files/eK6rd3tGODHnBcjQf8VL" alt="" width="563"><figcaption></figcaption></figure>

This process might take a few minutes. After the factory reset, make sure that the controller and all apps work properly. If problems should persist, please contact <support@deltaquad.com>.


---

# 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://docs.deltaquad.com/sth/flight/deltaquad-controller/controller-factory-reset.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.