Packet Loss: What It Is and How to Fix It
Packet loss happens when data fails to reach its destination. Even small loss rates can break real-time apps.
Common causes
- Wi‑Fi interference or weak signal.
- Faulty cables or router hardware.
- ISP congestion or routing issues.
How to diagnose
- Run speed tests and ping tools.
- Compare Wi‑Fi vs Ethernet results.
Fixes
- Use Ethernet or move closer to router.
- Restart modem/router and update firmware.
- Replace old cables if needed.
Related Guides
Quick Answers
What is the most common mistake?
Relying on a single test result or ignoring Wi‑Fi conditions is the most common mistake.