@Katie12J You have no wireless wifi connection to the sky Hub is that correct? Wireless wifi and broadband internet are different variables!
This link below provides information about the coloured lights on the various hubs that can help to see what is going on! If the system is also Full Fibre then the lights on the OR/CF ONT also require to be looked at!
https://www.sky.com/help/articles/hub-lights-explained-start
