Here are a couple steps you can take to try and reconnect.
How to troubleshoot:
Restarting your modem/router should resolve the issue.
1. Unplug your router or modem.
2. Wait 30 seconds, then plug it back in
Other reasons why your internet may keep going out include inadequate speeds, network congestion and inclement weather.
Have you done the following:
Restarted your equipment?
Connect with an Ethernet cable?
Check for an internet outage?
Tried using a different device?
Check your wires and cables?
Run a speed test?