If you're facing login issues with Disney Plus, start by checking your internet connection to ensure it's stable. Clear your browser's cache and cookies or restart the app. If you're using a Smart TV, update the app or restart the device. Ensure that you're entering the correct email and password. For more secure access, you can visit disneyplus.com login/begin to activate your device by entering the code displayed on your screen. If problems persist, reset your password or contact Disney Plus support for further assistance.