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Xfinity router & modem lights

Light meanings for Xfinity xFi gateways, including XB7 and XB8. Orange, green, blue and white each point to a next step.

Identify your hardware

Light meanings are model-specific. Confirm the model before comparing a light to a chart.

Xfinity WiFi 6E gateway, XB8 family
Xfinity WiFi 6E gateway (XB8 family). Comcast press photo.
Equipment note

Xfinity leases gateways such as the XB8 and supports customer-owned devices. The friendly generation name (xB) is not the hardware model number.

How to find your model number →

Model light guides

Model-specific light charts, one per hardware family.

Common problems

Step-by-step walkthroughs for the states people search for most.

Troubleshooting Xfinity Modem Online Light Blinking: Fix Xfinity's official light table for gateways has no online light. If you have a gateway, the blinking light falls in the connecting group, so wait… Open the walkthrough → Troubleshooting Xfinity Modem Power Light Flashing: Causes & Fix Xfinity's official light table has no separate power light. A flashing light means the gateway has power and is trying to connect. Open the walkthrough → Troubleshooting Xfinity Router Blinking Blue: What It Means On Xfinity gateways a blinking blue light means WPS pairing mode: the gateway is waiting to connect a Wi-Fi device. It stops when the device joins. Open the walkthrough → Troubleshooting Xfinity Router Blinking Green After Restart: Normal? A green light straight after an Xfinity gateway restart is part of the connection cycle. Open the walkthrough → Troubleshooting Xfinity Router Blinking Green: Meaning & Troubleshooting A blinking green light on an Xfinity gateway means it is still connecting, or keeps dropping its connection. Open the walkthrough → Troubleshooting Xfinity router blinking orange A blinking orange light on an Xfinity gateway means it cannot connect to the Xfinity network. Open the walkthrough → Troubleshooting Xfinity Router Blinking Orange After Power Outage After a power cut, an Xfinity gateway restarts and reconnects, and the blinking orange light can last about 15 minutes while it does. Open the walkthrough → Troubleshooting Xfinity Router Blinking White: Meaning A steady white light on an Xfinity gateway means it is on and operational. A white light that blinks while the gateway is activating means it is… Open the walkthrough → Troubleshooting Xfinity Router Blinking Yellow Light: Meaning & Fix A blinking yellow light on an Xfinity gateway usually means it cannot establish a connection, most often during first-time setup. Open the walkthrough → Troubleshooting Xfinity Router Offline Light: What It Means Offline is not a light colour in Xfinity's official table. A light that is off means no power. Open the walkthrough → Troubleshooting Xfinity Router Red Light: Meaning & Troubleshooting A steady red light on an Xfinity gateway means there is no internet connection, according to Xfinity's official light table. Open the walkthrough → Troubleshooting Xfinity Router Solid Orange Light: Meaning Xfinity's official light table does not list a steady orange light. It falls under colour combinations that mean connecting, with a wait of about 15… Open the walkthrough →

Official Xfinity resources

These links leave this site and open the provider's own pages.

Last updated 2026-11-01. Spot something wrong? Report a correction.