Simply shine the flashlight or laser pointer in to one end of the cable, if you don't see the light come through the other end, the cable is broken and will need to be replaced. If you are unable to access the internet or experience frequent disruptions in your connection, it could be an indication of a damaged cable. However, diagnosing fiber optic cable issues goes beyond. When issues like signal loss, slow speeds, or intermittent connectivity arise, systematic troubleshooting is key. This guide will walk you through diagnosing and resolving common fiber network issues efficiently. Let's start with A: the basics. Take care of the basics These are the basic things you should do first, in the order below or in whichever way that's convenient. Common Fibre Optic Cable Issues: - Symptoms: Decreased signal strength, intermittent. ■ How to quickly locate the problem when signal drops? When the internet gets slow or drops randomly, these tools help you track the issue fast: Focus on these spots: ■ How to fix issues quickly without long downtime? If a user suddenly loses connection, here's how to bring service back fast: Tip:. At times, our routers may experience connectivity issues, which could stem from a damaged fiber optic cable.