Once the blinking stops or the TV restarts, remove the USB drive.
Always try to back up your original BIOS/Firmware before flashing a new one. Download RR8501 C031A V50 1440x900 USB rar
Use a thumb drive with at least 1GB of storage, formatted to FAT32 . Installation Guide Updating a universal board like the Once the blinking stops or the TV restarts,
If the TV doesn't recognize the USB, try a different drive or re-format it specifically to FAT32 on a PC. Download RR8501 C031A V50 1440x900 USB rar