Unplug the power, remove the USB drive, and power the board back on to test.
Confirm your LCD panel's native resolution is exactly 1440x900 . Download RD85 1440x900 USB rar
Use highly specific search strings to find the file: "RD85" "1440x900" firmware download "RD85.301" USB update file rar Unplug the power, remove the USB drive, and
Because these files are usually hosted on third-party technician forums and file-sharing sites, follow these safety rules: Unplug the power
Copy that .bin file directly to the of your formatted USB drive (do not put it inside any folders). 📺 Step 4: Flashing the Firmware to the Board