Troubleshooting

“Authentication error occurred” usually means a password or security mismatch. Here are eight quick fixes for Android.

If your laptop will not connect or cannot see WiFi, work through these fixes for Windows and Mac in order.

A router that reboots by itself usually has a power, heat or firmware problem. Here is how to find the cause and fix it.

Wired connection not working? Check the cable, port, adapter and IP settings in order with these fixes.

If your 5GHz network does not appear, the cause is your device, the router band settings or the channel. Here is how to fix each.

“DNS server not responding” means names cannot be turned into IP addresses. These fixes work on Windows, Mac, phones and routers.

WiFi dropping every few minutes? Work through these fixes for the router, interference and your device, from quickest to deepest.

What each router light means, from power and internet to WiFi and WPS, plus what to do when a light is red, orange or off.

WiFi connected but no internet? Find out if it is the router, provider or device, then fix it with restarts, cable checks, DNS changes and router settings.

Router login page not opening? Check your connection, router IP, typing, browser and VPN, then restart. 8 fixes that get you back into your router settings.