Vertical Line on TV Screen Samsung – Solutions
Video summary
Vertical lines on Samsung TVs often stem from poor connections or internal hardware faults like the T-Con, processing board, or Cof-IC. Start with simple fixes: power cycle the TV, reseat and reconnect all cables, run a Picture Test, and update firmware. If tapping the back temporarily removes lines, internal connections are likely loose or dusty—cleaning ribbon connectors and components (with caution) can help. If problems persist or the TV is under warranty, contact Samsung for service.
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