I use a BlackGold BGT-3620 tuner, DVB-T2, in Media Center. Until recently, it's been fine. But on the day of opening ceremony I suddenly thought "why aren't I watching this on the HD channel, they must be showing it". So I flicked over to black. I flicked back to keep watching (this was mid-Bond clip) - but then tried retuning. It just didn't pick up any HD channels - not just the BBC's. I've since tried restarting, and reinstalling drivers. Though I couldn't see what the issue would be, nothing had changed, if not the night before it wasn't long ago I last watched something on one of the HD channels. Any idea if it's a transmitter issue? Rowridge.