Recently downloaded new software for Digital TV box,as per on-screen invite.?
Answer:
check the menu settings on box and change to 16;9 , when you reset the channels on the newer boxes it factory resets everything, including the screen used !
Call the company and complain. No one here is going to be able to help because you didn't provide enough info.
The answers post by the user, for information only, CeQnA.com does not guarantee the right.