Hi all
Thanks v much for the suggestions, tried all of the above and already had NetsTumble thingy installed, all OK, same thing happens when I plug in my neebs Acer charger.
(
FORudder, 'Steel Eye Span' was the easiest, demographics of the other 6 were also easy to spot, told 2 that I could hack in. "Crikey do I need to build a lead shield between my house and yours?"

)
Power settings discombulated??
Added, and so they were,small trojan had attacked the Acer power settings and modified it to disable wireless on mains. (Using Avast free...)
Thanks all....