Here is a new way to troubleshoot. Find out if there're any old TVs near... :)
https://www.bbc.com/news/uk-wales-54239180"Openreach engineers were baffled by the continuous problem and it wasn't until they used a monitoring device that they found the fault.
"It turned out that at 7am every morning the occupant would switch on their old TV which would, in turn, knock out broadband for the entire village."
scott
