until the blinking stops or the LED changes color (often green). Do not disconnect power during this process to avoid bricking the board. Unplug the USB and restart the TV. Common Sources for Firmwares
such as Scribd often list service codes and firmware locations for popular universal boards. Download LAD MV56U A36 1366x768 ATA Dump rar
(extracted from the .rar archive) directly to the root directory of the USB drive. Ensure there is only one firmware file on the drive. until the blinking stops or the LED changes