Plug the USB drive into the TV's USB port while the power is .
The firmware for the universal LED TV control board, specifically for the 1440x900 resolution, can be found on technical support forums and specialized firmware databases. Where to Download Download RR8501 C031A V60 1440x900 USB rar
Extract the .rar file and copy the firmware (usually a file named allupgrade_8501_res.bin or similar) to the root directory of the USB drive. Do not place it in a folder. Trigger the Update: Plug the USB drive into the TV's USB port while the power is