The software must match your panel's native resolution (e.g., 1366 × 768, 1920 × 1080).
The firmware file might be corrupted, or the resolution mismatch is too severe for the screen to display. Reflash the board using a different firmware version verified for your exact panel model. Itv.v59.031 Software
Identify your panel’s resolution (e.g., 1366x768 or 1920x1080) and voltage requirements. The software must match your panel's native resolution (e