: This typically means the firmware version is incompatible with your specific screen panel. If you'd like, let me know: The brand and model of your TV

: Try a different USB drive or ensure it is formatted to FAT32 .

: Use a USB drive (8GB or smaller is best) and format it to FAT32 .

(Commonly found in budget Samsung-style or generic LED TVs).

: Ensure your TV panel's resolution is exactly 1366x768 . Installing firmware with the wrong resolution can lead to a distorted display or a black screen.