Hi @voukos ok have u got a tv u can check this on.
is the picture fine on the non hd channels
have u check online to see if any issues in ur area from ur transmitter
i am sure we will get to the bottom of this
I'm sorry to hear this.
Can you check your aerial connections at the back of the box are in tight.
You can also remove the aerial connection from the box, retune the freeview channels. No channels will be found of course. When the tuning is finished, reconnect the aerial and retune again?