If the technology doesn't work, and you didn't wait until the last possible minute to do it, file an appeal with the department or Dean.

This is how it works when you have a shit faculty.

Now. If the technology doesn't work because you aren't following the required specs, or you waited until the last minute to do anything, you're fucked.

Source: I teach in higher ed, but I do not use third party software because it's all trash.