What to do if your fiber optic router is slow

Slow fiber optic internet can often be fixed by checking your router, cables, network congestion, and device placement.

Step 1: Test Your Internet Speed

Start by running an internet speed test to determine if your connection matches your plan. Use a trusted speed test website and, if possible, connect your device directly to the router via Ethernet to get accurate results. Compare the measured speeds with your ISP's advertised speeds to identify if the issue is with the network or your devices .

Step 2: Restart Your Router

A simple reboot can resolve temporary glitches. Unplug your router, wait about 60 seconds, then plug it back in and allow it to fully restart. This can clear memory issues and refresh connections .

Step 3: Inspect Hardware and Connections

Check all Ethernet and power cables for damage, fraying, or loose connections. Ensure you are using Cat 6 or higher Ethernet cables for gigabit speeds. Inspect the router for physical damage and consider replacing it if it's outdated or malfunctioning .

Step 4: Optimize Router Placement

Place your router in a central location away from walls, furniture, and electronic devices that may cause interference. Avoid placing it near microwaves, cordless phones, or thick walls. For larger homes, consider using a Wi-Fi repeater or mesh system to extend coverage .

Step 5: Reduce Network Congestion

Disconnect unused devices and close unnecessary apps or background software that consume bandwidth. Limit simultaneous high-bandwidth activities like streaming or large downloads to improve speeds for active devices .

Step 6: Update Firmware and Devices

Ensure your router firmware is up to date. Also, check that your devices' network drivers and operating systems are current, as outdated software can slow down performance .

Step 7: Check for Physical Fiber Issues

Inspect fiber cables for bends, cuts, or dirty connectors. Clean connectors with lint-free wipes and isopropyl alcohol if needed. If signal loss persists, test transceivers or contact your ISP for further diagnostics .

Step 8: Consider Upgrading Hardware

If your router is several years old, it may not support the full speed of your fiber connection or multiple devices simultaneously. Upgrading to a modern router with gigabit support and advanced Wi-Fi features can significantly improve performance . By following these steps—testing speed, restarting devices, inspecting hardware, optimizing placement, reducing congestion, updating software, and checking fiber connections—you can often restore your fiber optic internet to its expected high-speed performance.