press menu and while on installation type 1570 and press ok,press ok on nagravision,choose your provider tw and enter the codes.there are 2 code lines the first one starts 00: then the code and the second starts 01: and then the code.to enter numbers you press the numbers on the remote to enter letters you use the colour buttons and a few others(look to the bottom of the screen it will show you which button to press)when you enter the codes press save and exit back to tv. if you can update the firmware its better as the code will update automatically.i cant give you codes so please dont ask but you can get them online if you check around.i hope you get it working.