If you're experiencing Disney Plus login issues on Apple TV, try these steps. First, ensure your Apple TV is connected to the internet. Restart both the Apple TV and the Disney Plus app. If the problem persists, reinstall the app. Clear any cache by going to Settings > Apps > Disney Plus. Double-check your login credentials on disneyplus.com login/begin to ensure they are correct. If issues continue, reset the Apple TV settings to default. Contact Disney Plus support for further assistance if none of these steps work.