It suddently stopped showing today 4/21/ 2020 a little after 12 Noon (EST) . It froze soon after a show started (House) and then nothing but a blank screen with no message or anything. This has been going on for over an hour. What is happening?
H&I is a broadcast network carried by a local TV station. Comcast just passes on what is aired. Do other channels from that station work? It's possible the station itself is having a problem.