: Plug the prepared USB drive into the USB Port 1 on your TV.
: An on-screen progress bar will appear. Do not unplug the TV or press any buttons until the "Success!" message appears. Download Toshiba 43U7750 USB Firmware part2 rar
: Plug the AC power cord back into the outlet. Depending on the specific model variation, the update may start automatically, or you may need to hold the Menu or Power button on the TV panel while plugging it in. : Plug the prepared USB drive into the USB Port 1 on your TV
Once your USB drive is ready, follow these steps to update your Toshiba 43U7750: the update may start automatically
: Turn off the TV and remove the AC power cord from the wall outlet.