> For the complete documentation index, see [llms.txt](https://docs.mapeo.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mapeo.app/complete-reference-guide/troubleshooting.md).

# Troubleshooting

{% hint style="warning" %}
**Very important:** If you uninstall Mapeo trying to solve problems, you will lose all data if you have not synchronized with someone before or you have not created a backup.
{% endhint %}

See additional information and troubleshooting steps for some common technical issues in the pages below:

* [I can't start Mapeo](/complete-reference-guide/troubleshooting/i-cant-start-mapeo.md)
* [Mapeo closes automatically](/complete-reference-guide/troubleshooting/mapeo-closes-automatically.md)
* [I have problems with the GPS in Mapeo](/complete-reference-guide/troubleshooting/i-have-problems-with-the-gps-in-mapeo.md)
  * [GPS is not activated in Mapeo](/complete-reference-guide/troubleshooting/i-have-problems-with-the-gps-in-mapeo/gps-is-not-activated-in-mapeo.md)
  * [My GPS signal is very weak](/complete-reference-guide/troubleshooting/i-have-problems-with-the-gps-in-mapeo/my-gps-signal-is-very-weak.md)
* [I have problems with the camera in Mapeo](/complete-reference-guide/troubleshooting/i-have-problems-with-the-camera-in-mapeo.md)
  * [I get a black screen when using the camera](/complete-reference-guide/troubleshooting/i-have-problems-with-the-camera-in-mapeo/i-get-a-black-screen-when-using-the-camera.md)
* [I want to update Mapeo Mobile permissions](/complete-reference-guide/troubleshooting/updating-mapeo-mobile-permissions.md)
* [I have sync issues](/complete-reference-guide/troubleshooting/solving-sync-issues.md)
  * [I want to connect to Wi-Fi](/complete-reference-guide/troubleshooting/solving-sync-issues/connecting-to-wi-fi.md)
  * [I want to create local Wi-Fi networks](/complete-reference-guide/troubleshooting/solving-sync-issues/creating-local-wi-fi-networks.md)
    * [With a portable router](/complete-reference-guide/troubleshooting/solving-sync-issues/creating-local-wi-fi-networks/with-a-portable-router.md)
    * [With a smartphone](/complete-reference-guide/troubleshooting/solving-sync-issues/creating-local-wi-fi-networks/with-a-smartphone.md)
  * [The device I want to sync with does not show up on my Synchronize screen](/complete-reference-guide/troubleshooting/solving-sync-issues/the-device-i-want-to-sync-with-does-not-show-up-on-my-synchronize-screen.md)
  * [I get an error when I try to sync with another device](/complete-reference-guide/troubleshooting/solving-sync-issues/i-get-an-error-when-i-try-to-sync-with-another-device.md)
  * [I can't sync with the sync file](/complete-reference-guide/troubleshooting/solving-sync-issues/i-cant-sync-with-the-sync-file.md)
  * [The person I want to sync with has deleted valuable data](/complete-reference-guide/troubleshooting/solving-sync-issues/the-person-i-want-to-sync-with-has-deleted-valuable-data.md)
* [Sharing files between devices](/complete-reference-guide/troubleshooting/sharing-files-between-devices.md)
* [Saving and printing Mapeo reference materials](/complete-reference-guide/troubleshooting/saving-and-printing-mapeo-reference-materials.md)