Hi there, @Hrodgers1091 ...
It does not appear that, for some reason, Chromebooks support screen recording. Unfortunately, I'm not really sure how to resolve this. I did, however, find a couple topics here in the Community about this subject:
I know this probably isn't the answer you were looking for, but I hope that it has helped to answer your question in some way. Take care, stay safe, and be well.
