@coffee123 I also merely read that info about the default name HomePlugAV and recommendation to changing it on the Internet. But your reply got me thinking as well. So I've just tested this myself...

@coffee123 Hi, Yes, the connection is encrypted after you have paired the Powerline adapters and nobody else can add one of their Powerline adapters to your Powerline network unless they can manage...

@Jack_fr Do you have anything available that would allow you to test whether the USB cable that came with the TX55E is alright? Like a multimeter that has a continuity tester feature or another...

@Jack_fr Hi, Just to confirm, in the Device Manager of Windows you neither see an item named "Bluetooth" nor are you shown any sort of "unknown" device(s)?

@RockStar8 I think someone from TP-Link needs to have a look at this issue. They should be back at work on Monday. @Joseph-TP

@RockStar8 Obviously the two routers have failed to negotiate an EasyMesh between them, no matter what method you've tried so far. You are actually not the first person who has had problems creating...