Question: when xfinity says no signal?
Answer: CABLE OR SAT BOX NEEDS RESET -Remove or unplug the power cable from the Cable TV or SAT set top box. -Keep it unplugged for 2 to 3 minutes. -Plug the power cable back into your Cable or SAT set top box. -Give it some time for the Cable or SAT box to power up, get the signal, and initialize.