[MovedGoalPosts]

What service speed have you got, and what are you trying to run on your PC?

It may be more stable if you have less stuff going through it (P2P software or other file downloads can create strain). Yes I know you want to use the broadband but at if you can limit what you are doing for a while, it might be a temporary solution.

The will be experienced and less experienced staff in faults. The newbies are effectively more likely to read a reponse from their diagnostics computer screen.

Signal levels from the street seem to change fairly often, especially in very warm or coldweather. It's enough to upset the amplifiers in the cabinets, amongst other things. I'm amazed if the service tech who came to you didn't check the cabinet themselves. Virtually every time an engineer has been to me, that's where they have ended up doing some sort of fiddle, once they've had results from plugging their gadjets in at my house.