Restarting your router will usually resolve most problems such as slow speeds, disconnects or wireless issues. Why Do Fiber Networks Fail? Despite their robustness, fiber networks can fail due to:. To fix the intermittent connection issue, you could try troubleshooting your modem and router configurations. No Connection No connection is a complete loss of internet connectivity. This issue can be caused by a faulty fiber optic cable, power outage, or network maintenance. These high-speed, high-capacity communication networks are increasingly replacing copper cables, offering superior performance and. When your fiber optic network stops working, begin with a structured approach. Power. Open the GFiber App or sign in at fiber. Look for an outage banner on your homepage. Need help checking? Learn more about how to check for service outages. Not sure if you have an ONT? The video below can help you.
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