The AV inputs on your Samsung TV allow you to display the image and sound from various video sources on your TV screen. The connection process for AV inputs is straightforward, so if you are running into problems getting the image on the screen, you can usually remedy it quickly. Check the connections and reset your TV to the factory settings to resolve hardware or software issues that may be causing problems with your TV.
Check the AV cables in the output ports on your video source, such as your cable box, satellite receiver or DVD player. Remove the cable ends and reinsert them, making sure that the plug is fully inserted into the output.
Check the AV cables plugged into the inputs on the rear panel of your Samsung TV. Remove the cable ends and reinsert them into the ports, making sure that the ends of are fully inserted into the input port.
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Remove the power cable from the port on the rear of the TV and leave it unplugged for 10 seconds. Plug it back into the power port to perform a soft-reset and restore the settings to their defaults.
Turn your TV on and press the "Source" button on the TV's control panel until the image from the source appears on the TV.