Update, FYI: I phoned the helpdesk as suggested and spoke to a helpful lady. I told her my Network Map was showing connections that seemed illogical compared with the excellent/good/poor connection quality and the location of the various discs. I said that I have reset and reconnected the whole system several times with no coverage improvement. She made the.simple suggestion that I swap over one of the "excellent" discs with one of the "poor" discs. I have done so and am amazed that the network map now looks entirely sensible and for the first time ever all six discs show good connection strength, even at the very far end of my house. Fingers crossed it continues. Seems too simple to be true but her advice has, so far, been very successful!
