| Problem | Likely Fix | |---------|-------------| | USB not recognized | Reformat to FAT32, try another USB (<16GB) | | Flashing stops mid-way | Rename file to MERGE.BIN (uppercase) | | Image is split/snowy | Wrong resolution – reflash correct one | | Colors are wrong (purple/green) | Wrong bit (6 vs 8) – reflash correct one | | No backlight | Check BL_ON (5V) and ADJ pins or panel voltage jumper |