Ensure you have access to your Wi-Fi password and remote batteries before proceeding with this step. 3 Connect a different HDMI source or cable.
Why Your Samsung TV Turns On Then Black Immediately: Common Causes
A recent update might have triggered a bug, or the sleep timer settings may have been misconfigured. Components such as the T-Con board, power supply unit, or LED driver require specialized tools and expertise to repair.
Power delivery inconsistencies, backlight failures, and software glitches account for the majority of these incidents. Loose wall outlets, damaged cables, or a failing power board can interrupt the flow of electricity to the screen.
Samsung TV Turns On Then Black Immediately: Diagnosing Power and Display Issues
Check the power cable connection at both the wall and the television. Test the wall outlet with another device to verify it is delivering power.
More About Samsung tv just went black
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