COMCAST BOX NO SIGNAL ON TV MANUAL

Watch out for bends and entangled or broken wires, and replace any damaged cables to restore the connection. Ensure the cables are not defective and are functioning correctly by testing them on a different device. As such, you must set it up correctly for it to function without any issues.Ĭheck all connections to ensure they are firmly in place. Sometimes your Xfinity cable box might not work because of improper connections or faulty wires.Ī typical Xfinity TV cable box consists of four ports: an HDMI port, cable in and out ports, and a power inlet. If this does not solve the issue, move to the next step. If the power status light is off, the Xfinity cable box is probably not turned on, or the power cord is loose.Ĭheck the power cord and ensure you plug it into the wall outlet or power extension firmly and correctly.Īlso, double-check the cable box’s power inlet and ensure it is firmly in place. Your Xfinity cable box has several LED lights that indicate the device’s current status.įor instance, a white flashing light means the cable box cannot connect to the network, while a green blinking light indicates no signal.

COMCAST BOX NO SIGNAL ON TV MANUAL

It might stop working out of the blues, leaving you stranded and frustrated.Ī quick check on your manual might give you a few tips on solving the problem, but you need a hands-on approach to troubleshoot and fix an Xfinity cable box that’s not working.īelow is a comprehensive list of proven solutions that can help you fix it. However, your Xfinity cable box is not exempted from malfunctions. After all, nearly every home that uses cable has an Xfinity cable box as the primary digital receiver for live entertainment. Xfinity is arguably one of the most popular cable providers.

Comcast box no signal on tv