If your Arlo video doorbell is not working, there are a few things you can do to try and fix the issue. First, make sure that the batteries are fresh and properly installed. Second, make sure that your Arlo is connected to the internet and that it is receiving updates. Third, check to see if there is a obstruction in the camera’s view or if there is any debris on the lens. Finally, try resetting your Arlo by pressing and holding down the button for three seconds. ..