Complete dead TV diagnosis guide covering power input, standby light, clicking sound, restart loop, motherboard and power supply faults.

TV clicking sound but not starting? Learn relay click patterns, protection mode, power supply faults and how to select the correct TV board.

Power supply board failure symptoms explained. Learn dead TV, clicking, restart and no backlight symptoms before buying the correct SMPS board.

TV turning on and off automatically? Learn restart loop patterns, motherboard symptoms, power supply instability and backlight protection faults.

Standby light on but TV not starting? Learn how boot failure, motherboard faults and power-on command issues affect TV startup.

TV completely dead with no power? Learn the difference between power supply failure, standby failure and motherboard short before buying parts.

TV not turning on? Learn how to identify power supply, motherboard, standby and IR sensor faults before buying the correct spare part.

Learn how long TV backlights last, failure signs, causes of early backlight damage and when to buy replacement LED TV backlight strips.

Check size-wise TV backlight replacement cost and learn how to buy the correct LED TV backlight strips.

Learn why half screen becomes dark on LED TV and how to identify backlight, T-Con, FFC or panel-related faults.