Hey there Lannylgray,
I'm sorry to hear that your Chromecast is having some connection issues! I know networking problems can be tricky, so I'd be happy to help out. First, I would recommend that you read this article and follow the troubleshooting steps inside, then let me know if you get any error messages.
I look forward to your response, and if you have any other questions or concerns for me, please let me know!