First, check our status page at http://status.edx.org to be sure there is not an outage or larger technical issue.
Many problems such as missing fields, buttons that do not function, server error messages or other page display issues are caused by your browser or browser extensions. Here are some things to try:
- Disable ad-blockers or any other browser extensions. You can try browsing in a private window to do this:
- Make sure your browser is a current version of Chrome or Firefox.
- Clear your browser's cache. Here are instructions on clearing your cache in Chrome or Firefox.
- Check our system requirements to ensure you meet our browser, computer, and mobile requirements.