Here's some quick fixes to help with your router and wireless issues:
If you're having problems with your connection, first check your online account to ensure your billing is up to date. If your payment is overdue, head over to your online account and re-add your Card details to make an immediate payment. Your Service will be restored in around 1-2 hours.
For issues with your wireless connections see I'm having WiFi connectivity problems for more help
If you have a Total Loss of Service and cannot connect any devices, and your Billing is up to date. please contact our Technical Support Team for Troubleshooting.