: 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.
: Try a different USB drive or ensure it is formatted to FAT32 . : Ensure your TV panel's resolution is exactly 1366x768
: Plug the TV back in. On many models, the standby light will start blinking rapidly, indicating the update is in progress. indicating the update is in progress.