Press and on the TV (not the remote) while plugging the power cord back in.
Once the TV restarts, it is recommended to perform a "Reset Shop" or "Factory Reset" via the settings menu to ensure system stability. Download S586T02 LF1V371 part01 rar
Installing incorrect firmware can permanently damage ("brick") your TV. Verify that your TV’s current software version begins with V8-S586T02 in the Settings > About menu before proceeding. Press and on the TV (not the remote)
If you have all the parts of the RAR archive, you must extract them to get a single file (usually named Update.img or V8-S586T02-LF1V371.bin ) before following these general steps: Format a USB drive to FAT32 . Download S586T02 LF1V371 part01 rar