• 1.

    Ensure that all the necessary cables and leads are properly connected.

    E.g. The aerial and any other external inputs such as a set top box.
  • 2.

    Re-tune your TV.

    For more information, see the Tuning your TV topic.

  • 3.

    Check that the aerial lead is not damaged.

  • 4.

    Ensure the aerial is compatible for digital signal and is installed correctly.