Hmm, seems like your modem might need to have abit of troubleshooting done on it!
I would suggest doing some troubleshooting to see if the issue can be resolved from your end
Please follow the instructions in This Article
I can appreciate that you're wanting to get online ASAP and we do have some support measures in place for the interim, you can find these on our Coronavirus Support page.
If the troubleshooting doesn't get you connected, I recommend getting in touch with our team on Messenger so we can take a look.
Please note, our Messaging team are currently experiencing delays
Ask to speak to a human, then leave your full name and the information about the issue in the messenger window
Stay safe, and I hope we can get your connection up and running soon