and a router, which forwards traffic to the modem and distributes responses to the requesting machines. If the cable modem/router has Wi-Fi, it is a "wireless gateway" (see cable/DSL gateway).

It sounds simple, but "unplug it and plug it back in ... a device to the modem directly using an Ethernet cable. If you can get online this way, the issue is coming from your router.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The best cable modems give you greater control over your home network but they can also ...