my Xbox light is on but on my tv it says no signal

Hi,! I'm Luis, a fellow Xbox Gamer . Thanks for reaching us out here.

Making a good cleaning would be ideal for starters. As for the no signal issue,

Launch your Xbox One in Low-Resolution Mode. Press the Power button for 10 seconds until you hear a beep, wait 30 seconds, then press the Power and Eject buttons together for 15 seconds or until you hear another beep. Your Xbox One will now power on with its lowest possible resolution settings. This may bypass whatever glitch was giving you the ‘No Signal’ error.

If this works, you should follow this up by opening the Guide and going to Settings > Display & sound > Video output to experiment with higher resolutions and see which setting works best with your TV.

If it does not work then the console would most likely need to be serviced

I have unplugged everything and replugged everything but I'm still not getting any signal or sound. The Xbox360 fan turns on and the on button lights up but my tv says there is no signal and there is no sound.

(I think my Xbox is the original white one).

Hello Lil how are you?

My name is Ezequiel I'm an Independent Consultant.

It would be nice if you could test your console on another TV.

I say this because you need to know where the noise came from, if your console works on another tv, it means that the problem is with your tv.

This is seperate issue, xbox back up and running on different tv, however the tv tv that my xbox was plugged into at time of outage now will not recognise the xbox. Says no signal on that source

No power coming through then saying on my tv no signal