18;write_to_target_document1a;_aAXuaY6cDLDGkPIP8PXneA_100;56; 0;a71;0;5e8; 0;11c5;0;289a;
This usually means the LVDS map in the firmware doesn't match the panel. You will need a different exclusive build tailored to your specific panel voltage (3.3V vs 5V vs 12V). Conclusion tpmt5522pc821 firmware exclusive
Exclusive builds often include updated drivers for modern HDMI and DisplayPort protocols, reducing "no signal" handshake errors. reducing "no signal" handshake errors.