![]() ![]() Press the or button on the front of the box until it is set to 480p or higher (preferably 1080i). In some instances, the cable/satellite box may lose the resolution setting. If you're troubleshooting a cable box be sure to allow it time to boot up after power is restored. Plug the device back in, and change the TV to the new input to see if the issue is resolved.Disconnect the HDMI cable from the TV and move it to an alternate port.Unplug the external component (if possible) for 30 seconds.Verify the connection is secure and retry: If you are unsure, press the SMART button and select the Input Icon, and cycle through HDMI inputs until the correct one is located. HDMI Cable / Satellite Box, BDP, & Other DevicesĮnsure the TV is on the proper Input. HDMI Cable / Satellite Box, BDP, & Other Devices HDMI PC or Laptop Component A/V Composite DVI - HDMI If you do not know how to operate the function/input operation of your home theater receiver you may need to connect the external device directly to the TV. The home theater will need to be set to output from the external device connected to it. If a home theater or receiver acts as a hub for all external devices connected to the TV, the TV will need to be set to the same input as the home theater. Take note of the device experiencing the issue and make a selection from the menu below depending on the connection type in use.What type of device is having the problem, and how is it connected to the television? If only one device has the problem, proceed to the next step.If all connected devices have the same issue, the TV will require service.No display indicates that the TV will require service.ĭo any external devices connected to the TV work properly?.If a display appears, continue to the next step.Does any menu or on screen display appear? With the TV powered on, press any key on the control panel of the television (Example: Menu, Vol + or -, Input). Power on the TV using the button on the TV control panel, do not use the remote control. Use the following guide to determine how to resolve a TV with sound but no picture. ![]()
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