My 20Mbps fiber optic connection from China Telecom became 10Mbps after plugging in a router

Why Does My Internet Speed Fluctuate? Causes & Fixes

Learn why your internet speed fluctuates and how to fix it. Tips on routers, ISPs, and troubleshooting for a stable connection.

When I connect my PC through this cable, I only achieve ~10Mbps. My connection speed is 300Mbps/300Mbps. This is confirmed by using a long cat5 cable (same as I used in my old house,

Inconsistent Internet Speed: Why It Happens and How

Inconsistent internet speed can make internet usage frustrating and unbearable. Read this guide to learn how to resolve your erratic internet connection!

Ethernet capping at 10mbps?

Defective Ethernet LAN jack on your PC or router/switch. The first test is to unplug and replug the network cable at both ends or try replacing the cable with a higher-quality or different brand.

Does Your Wi-Fi Speed Drop? Here''s Why and 7 Tips to Fix It

Wi-Fi speed can fluctuate for several reasons, and understanding these can help you diagnose the issues you''re facing. At its core, Wi-Fi speed refers to the rate at which data is

TP-Link Slow Internet: Fixes for Any Router

Slow TP-Link internet can have more than one cause: your router settings, your modem, your Internet service provider (ISP), or your wireless environment may each play a role. This page

Not Getting The Internet Speeds You''re Paying For? Here''s Why

Until I upgraded my switches to at least 2.5 GB Ethernet, my higher download speed was trapped inside my router. I would never see the speeds I was paying for if I didn''t upgrade to a faster

Why am I not getting the maximum speed that my router is capable of?

To see how much bandwidth your ISP delivers to your home, connect a computer directly to your modem with an Ethernet cable and run a speed test. The speed test results show the fastest

Fiber Network Troubleshooting – Common Issues & Fixes

Learn how to troubleshoot fiber networks. Identify common issues like high loss, dirty connectors, and signal drops, with practical solutions for optical links.

Troubleshooting Slow Fiber Speeds Over Ethernet

If you''re unsure of how to double-check the configuration of your 3rd party device, try removing it from the signal chain entirely to see if speeds return to expected values.

Does Your Wi-Fi Speed Drop? Here''s Why and 7 Tips to

So, if you''ve been wondering why your home''s Wi-Fi is slow and the connection keeps dropping intermittently, read along as we guide you through the

New router stuck at 10mbps on a 100mbps connection.

Never tinker with speed/duplex settings. If a connection isn''t auto-negotiating, chances are something is "broken" somewhere, and any manual settings to speed and duplex aren''t going to fix it. Further, if