Ensure you are using the correct resolution (1366x768) for your specific panel. Using the wrong resolution firmware can result in a "blank" or "flipped" screen. If you tell me more, I can help further with: Finding Part 1 or Part 2 if you are missing them. Checking your Panel Number to ensure compatibility. Troubleshooting if the USB update doesn't start. CV338H-A42-512MB-4GB-USB UPDATABLE FIRMWARE

The file named is the third segment of a split archive. To use it, you must:

You can find these firmware parts on community-driven sites and technical forums such as: Receiver Pro Software Zone Dip Electronics LAB

: While holding the button, plug the TV back into the power outlet.

: Download all required parts (Part 1, Part 2, and Part 3) into the same folder on your computer.

: Keep holding the button until the "Software Upgrading" screen appears. The TV will restart automatically once it reaches 100%. Where to Find the Firmware

: Press and hold the Power button on the TV (not the remote).