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

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

: 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).

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