Use a tool like WinRAR or 7-Zip to extract the files (usually named allupgrade_5522...pkg or similar) to the root of a FAT32-formatted USB flash drive .
Insert the USB drive into the TV's USB port. Download MT5522S PC822 3840x2160 Skyline part03 rar
Power Supply and Display Troubleshooting Guide | PDF - Scribd Use a tool like WinRAR or 7-Zip to
If you have all the parts of the archive, the standard procedure for these boards is: Download MT5522S PC822 3840x2160 Skyline part03 rar
Turn off the TV and unplug it from the power source.