Check the display for error codes and Inspect the cables on the rear of the box to make sure none are loose. Cable Source: The start of your TV's journey, where channels travel from a regional hub through fiber optics to your local area, then convert to electrical signals and come into your home via coaxial cable. If it's DVR-equipped, you can also. To repair any set-top box, begin by checking the power supply, as this can quickly resolve many issues. Consult your TV's manual for tuning instructions. If the problem continues call. There are many different reasons why your TV might not be working properly or why the image doesn't look right. Below are some of the most common issues with TVs we're asked about. Keep in mind that some setting.
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