If you're experiencing issues with disneyplus.com/begin not working, there are several steps you can take to troubleshoot the problem. First, ensure your internet connection is stable and functioning properly. Try clearing your browser's cache and cookies, as this can resolve loading issues. Additionally, check for any updates to your web browser or the Disney+ app. If the issue persists, restart your device or try accessing the site from a different browser or device. Finally, if none of these solutions work, consider reaching out to Disney+ customer support for further assistance.