on 07-06-2013 08:52 PM
Thanks for getting in touch.
It is possible that you are selecting the wrong 'AV channel' or 'Source' on your television.
Please locate the source/AV button on your television remote control, and view the options, normally a Sky HD box will be located on the HDMI source.
If the Sky HD box is connected via scart as opposed to HDMI, then the Sky HD box may be located on one of the AV channels.
Please try changing this and let us know how you get on.
Hope this helps.