@Hingrid
Thanks for the post.
Please be aware that Roku Community only supports the English language and we had to use Google Translate to understand your post.
Can you provide us more information about the issue you are experiencing? Are you using a Roku device or a Roku TV? What kind of device are you trying to screen mirror?
For more information about screen mirroring, visit our Support pages here:
Screen mirror your Apple device with AirPlay
Screen mirror your Android or Windows device
Please keep us posted and we will be able to assist you further.
Thanks,
Danny
Danny R.
Roku Community Moderator