Hello Fernando,
Thank you for posting on the Xbox forums. We need a little more information to ensure that we provide the correct solution. Does an error message or error code appear when you try to join a server in Minecraft? Are you join a lobby in any other multiplayer
games? There is an application that is installed on your computer called the Xbox Console Companion App. We recommend launching the application and checking your Xbox Live connection through it. We will provide steps on how to check your Xbox Live connection.
Be sure to let us know the results!
How to check your Xbox Live connection though the Xbox Console Companion App:
- Press the Windows key on your keyboard and launch the
Xbox Console Companion App
- Sign in to the application with your account
- Press the gear icon on the left side of the application
- Select Network