1. Check to ensure all cables are securely connected, both from the TV to the power outlet and the TV to any additional hardware, like a cable box.
2. Check the power outlet to make sure it is working properly.
3. Confirm the correct input on the TV is selected for the input the hardware is connected to.
4. Unplug the power from the TV and wait 10 seconds, then plug it back in.
5. Reset the TV to its factory settings.
6. Contact the TV’s manufacturer for technical assistance.