If you are talking about the icon with two small screens, then that has only ever appeared when the ethernet cable is pulled out. I think it's set to 'hide' in the system tray, if all is running well.
---------- Post added at 09:21 ---------- Previous post was at 09:16 ----------
banjo - That's why i think there is a problem, as although you say it's normal, it has only just started happening in the last two days. It's been working fine for months, previously.
I am beginning to wonder if the modem is taking slightly longer to boot up. I'm just trying to pre-empt a major issue where I lose my connection altogether, and the subsequent frustration that will follow in NTL trying to sort it out