Xfinity Gateway blinking green Light — Meaning & Fixes
blinking green on Xfinity Gateway: A blinking green light on the Xfinity Gateway means it is actively trying to connect to Xfinity (Comcast).
A blinking green light on the Xfinity Gateway means it is actively trying to connect to Xfinity (Comcast). This is normal during startup and usually turns solid once the connection is established.
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Most likely causes
Xfinity Gateway is synchronizing with Xfinity (Comcast)
The device was just restarted
The line is renegotiating after an outage
A weak upstream signal is slowing the sync
Try this first
Wait 2–5 minutes for the light to turn solid
If it blinks for more than 10 minutes, power-cycle the Xfinity Gateway
Reseat all cables connected to the Xfinity Gateway
Verify there is no Xfinity (Comcast) outage in your area
Contact Xfinity (Comcast) if it never stops blinking