: An on-screen progress bar will appear. Do not unplug the TV or press any buttons until the "Success!" message appears.
Once your USB drive is ready, follow these steps to update your Toshiba 43U7750: Download Toshiba 43U7750 USB Firmware part2 rar
: Once complete, remove the AC power again for at least 10 seconds, remove the USB drive, and then plug the TV back in to finish the setup. : An on-screen progress bar will appear