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If you searched for "router blinking green light", the useful answer is not just a colour chart. You need to know whether the light is normal, whether the internet is actually down, and what to check without making the problem worse. Router and modem lights are not perfectly standard across brands, so always match the colour to the label beside the light and the exact model. Still, the pattern below will solve most home cases. Quick answer: A blinking green light is often normal during startup or data traffic, but a green light that never settles can mean the router or modem is still trying to connect. What it usually means Green is usually a positive colour, but blinking changes the meaning. It may mean the device is booting, passing data, pairing by WPS, scanning for a channel, or synchronising with the provider. NETGEAR uses blinking indicators for traffic on Wi-Fi, Ethernet, and cable modem ports. AT&T says a flashing green broadband light means the gateway is trying to connect to the network. Virgin Media also notes that some Hub 3 lights flash during power-up and then turn off after a few minutes. The key is to separate three things: power, local Wi-Fi, and the connection to the provider. A router can broadcast Wi-Fi even when the modem or fibre box has no internet. Likewise, an Ethernet light can blink simply because traffic is moving, not because anything is wrong. Common causes include: Normal Wi-Fi or Ethernet traffic.; Device startup after a reboot.; Broadband or cable modem synchronisation.; WPS pairing mode.; Firmware update or network registration. Fix it in this order First decide which label is blinking: Power, Internet, Wi-Fi, Ethernet, DSL, Online, or WPS. If it is Ethernet or Wi-Fi, blinking is usually traffic and not a fault. If it is Broadband, Online, DSL, or Power, wait for boot-up to finish. Restart once only if it stays stuck for 10 to 15 minutes. Check all cables and provider outage notices. Record the exact label and colour before contacting support. What not to do Do not assume every blinking green light is bad. On many ports, blinking simply means data is moving. Also avoid changing advanced settings such as VLAN, PPPoE, bridge mode, or DNS unless you know why you are changing them. A normal reboot is safe; a factory reset is a last resort because it can erase Wi-Fi names, passwords, and custom settings. When to get help Call support if a connection-related green light keeps blinking for more than 15 minutes and no device can access the internet. When contacting support, give the exact device model, the light label, the colour, whether it is solid or blinking, and how long it has been happening. That detail is far more useful than saying only that the router is broken. FAQ Q: Is blinking green better than blinking red? A: Usually yes, but it depends on the label. Green often means activity or setup, while red normally signals a problem. Q: Why is my internet working while lights blink? A: Ports blink when they send or receive data. That is normal during browsing, streaming, and gaming. Q: Should I turn the router off? A: Only if the light appears stuck and your connection is down. Otherwise leave it alone. See Also: Router Red Light: What It Means and How to Fix It