While holding the button, plug the TV back into the power outlet.
Updating firmware on this motherboard typically follows a manual USB "forced" update procedure: Download HV553 3840x2160 General View 65DK5 part07 rar
: Ensure the "General View 65DK5" matches your specific panel model. Installing firmware for a different panel size or resolution can result in an upside-down image or a blank screen. While holding the button, plug the TV back
: Copy the extracted firmware files (usually including a .bin or .pkg file) directly to the root of the USB drive. Do not put them in a folder. Flash the TV : Unplug the TV from the power outlet. Insert the USB drive into the TV's USB port. Press and hold the Power or OK button on the TV or remote. : Copy the extracted firmware files (usually including a
: Format a USB flash drive (8GB or smaller is recommended) to FAT32 .
: If the TV is still functional, it is recommended to back up your current settings or firmware via the service menu (typically accessed by pressing Input + 2580 or Input + 1147 ).
Since you are looking for "part07" of a multi-part RAR archive, you must ensure you have (part01, part02, etc.) in the same folder before attempting to extract them.