However when the light is blinking it means the connection isnt being established properly. The send light on a cable modem indicates your uplink status.

Insideways Beat The Blinking Lights
Why is my comcast box blinking. That means that it has lost connection to the comcast system and is trying to reestablish it. Hello try unplugging it for 5 min then plug back in if still doing the same thing call comcast ask them too reset your box good. The unit flashes through all indicator lights and the data light will flash. When the send light is solid there is a solid uplink connection between you and your isp. Also keep in mind that the light flashes continuously during a firmware update. If it is continually blinking without ever going solid in most cases it means there is an outage in your area.
On your x1 remote press a to access the help menu. However this is not always the case. This answer closely relates to. If you have the x1 voice remote you can also use the voice command help. If its the smaller x1 box roughly the size of an iphone then it means its trying to reconnect to your main x1 box. For the best answers search on this site httpsshorturlimavwcm.
Comcast slave or remote dvr is not sending a signal to the television. Xfinity for full functionality of this site it is necessary to enable javascript. Usds light blinking when the light is stable it means that the connection is established and the internet access is granted. Cisco digital adapter do you turn it or keep it on comcast digital cable box blinking light twc digital adaptor green light on but still says no device connected. The main dvr functions correctly with no issues. Learn what the led lights on your x1 tv box indicate about your device status.
The unit flashes through all indicator lights and the data light will flash 13 times.