The latest versions of Mozilla Firefox, beginning with version 19.0 contain a new built-in PDF viewer. If you run into issues viewing PDF content from Desire2Learn in Firefox there are a few workarounds listed below:
- Use a different web browser
- Download the PDF and open it with a program on your computer
- Disable the Firefox PDF viewer
Please view this webpage for more details and information on the workarounds.
If you have any questions or concerns, please Contact D2L Support.