Check if this happens using other sources of signal such as a DVD player or a playstation. This could be a problem with the port or the cable that the signal uses to get to your TV. If you can use a different cable or test using a different TV just to make sure.
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Check if this happens using other sources of signal such as a DVD player or a playstation. This could be a problem with the port or the cable that the signal uses to get to your TV. If you can use a different cable or test using a different TV just to make sure.