Press and hold the (on the keypad, not the remote). While holding the button, plug in the power adapter.
If the image is upside down or the colors look "oily" (LVDS mapping error), a firmware flash or "Factory Settings" tweak is required. 📥 Preparation: What You Need Before starting, ensure you have the following items ready: T.vst29.03 Firmware Upgrade
Firmware flashing carries a risk of permanently damaging your hardware. Always verify your panel voltage (3.3V, 5V, or 12V) via the jumper on the board before connecting the screen! Press and hold the (on the keypad, not the remote)
If the screen displays the "No Signal" message clearly and in the correct orientation, the upgrade was successful. ⚠️ Troubleshooting Common Issues Potential Cause USB not recognized Use a smaller USB 2.0 drive; check FAT32 format. Upside down image Wrong firmware version 📥 Preparation: What You Need Before starting, ensure