@Sue328 Depends on what you mean by done all the test's and what they actually return, see if the information linked below does anything for you!
If you haven’t done it already use the below link to check to see if there are any broadband problems or outages nearby if enough time has passed for a fault condition to be displayed by the software test! This should determine if there's an identified fault affecting multiple households.
https://www.sky.com/servicechecker
and this also.
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
