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Michelle JohnsonJul 30, 2025
Why is there no picture or sound on my TCL 55P639?
- TTaylor DaughertyJul 30, 2025
If your TCL LED TV has no picture or sound, ensure the power cord is properly inserted into the power outlet. Also, verify that the source type is correctly set and the antenna is properly connected. Check that the volume isn't at its minimum or muted, and that headphones aren't connected. The TV might be receiving a signal other than from TV broadcasting stations.