Rebooting your router and modem is one of the first things you should do when your WiFi isn't working. To reboot these devices, unplug the power cord from the back of each device and wait for at least 30 seconds before plugging them back in. After waiting 30 seconds, plug your modem in first.

How do you know if your router is bad?

Your Wi-Fi range and speeds are getting worse

Like poor connectivity, worsening Wi-Fi range and speeds are signs that your router is failing. You don't need to see all these symptoms to replace your router—any one is a sign that the complex machinations inside your router might be breaking down.

Why does a router stop working?

Causes of Router Failure

Shock and vibration are also detrimental to electronics, and if the router is constantly bumped, knocked over, or otherwise moved abruptly, connections and solder joints can work loose, and ports can be damaged by network cords being tugged and pulled.