Hi @spencer160975,
When you say that the "....touch screen works....." does this mean that you can view the camera's menu screens OK?
''If so'' it seems like there's a problem with the [https://www.google.com/search?client=firefox-b-d&q=GoPro+Hero5+Black+ccd+lens|lens/image ccd] (examples only), the flex cable connection between the lens and the motherboard or the motherboard itself.
Here's the ifixit [guide|72174] guide, that may help. At least you can check that the cable connection is OK