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How to Update Your Router Firmware (And Why You Should)

Router firmware fixes security holes and stability bugs, and most people never install it. Here is how, safely.

Upgrading the line does nothing if the bottleneck is your router, your Wi-Fi or your devices. Here is how to find where…

Your network vanishing from the list is usually a band that has stopped broadcasting, a channel problem, or a router that needs…

Wi-Fi that gets worse on warm afternoons and recovers overnight is a thermal problem. Here is how to fix it.

A cable should always beat wireless. When it does not, the link has usually dropped to 100 Mbps because of a cable…

A guest network is not just a second password. Here is what it isolates, what it does not, and how to set…

A network that prompts for a password you know is right is usually a corrupted profile, a security mismatch, or a router…

A satellite that goes offline every few days is usually placed too far from its parent. Here is how to find the…

Red, orange, flashing, off. Router lights are a diagnostic tool most people ignore. Here is how to read them.

Full bars and nothing loads. The fault is either DNS, an IP conflict, your router, or the line. Here is how to…

One person watching video should not knock everyone else offline. When it does, the cause is usually bufferbloat, an overloaded router, or…

Stone, brick and foil-backed plasterboard eat Wi-Fi. These are the routers and mesh systems that cope, and how to choose between them.