This occasionally comes up and the most likely cause is that you either don't have a fast internet connection or your teacher is trying to share a large file so it can take a while to load.

Please be patient and if the file still doesn't load after a minute, please refresh the page. You may need to re-enter the classroom.

Possible fixes:

You can also suggest to your teacher that they reduce the PDF file size for next time by using this free PDF compress tool.

The teacher can possibly take a screenshot of the page they are wanting to share with you and upload the image into the whiteboard.

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