As I said in first post. I have tried this on Win 8, Win 7 and Win XP, same result no matter what PC I am using.
I have used the same cable as I am on my 800 SE, same result regarding LAN.
Have also disabled both firewall and Avast. Same result.
Led is constant green when starting up, then som rapid blinks while DreamUp is initiating HTTP mode, after that constant green.