Telecommunications Technician how-to
How to Troubleshoot Slow Internet
Isolate whether the problem is the network, equipment or home.
Quick answer
Isolate whether the problem is the network, equipment or home. In short: test; check; inspect, then complete the remaining steps below.
Step by step
Test speed wired to the modem or router.
Check signal levels or light levels.
Inspect connectors and cables.
Check router settings and Wi-Fi interference.
Replace faulty equipment.
Retest and explain the fix.
Safety reminders for telecommunications technicians
- Use ladder safety and fall protection
- Never look into active fiber
- Dispose of fiber scraps safely
- Watch for electrical hazards
Key terms
Fiber optic cable · Splice · Fusion splicer · OTDR · Coax · ONT: see the full telecommunications technician glossary.