Choose (or USB Upgrade) and follow the prompts to begin the installation. Method B: For Non-Working TVs (Forced Flash) If your TV is stuck on the logo or won't boot: Turn off the TV and unplug it from the wall. Insert the USB drive.

Plug the TV back in while continuing to hold the Power button.

Release the button once the update progress bar appears on the screen. until it completes (usually 5–10 minutes).