: Plug the prepared USB drive into the USB Port 1 on your TV.
For official downloads and specific version requirements, you can check the Dynabook Support Portal for older models or the Toshiba TV USA Support site for newer units. Download Toshiba 43U7750 USB Firmware part2 rar
: Turn off the TV and remove the AC power cord from the wall outlet. : Plug the prepared USB drive into the USB Port 1 on your TV
When a firmware file is split into multiple parts (e.g., part1.rar, part2.rar): Download Toshiba 43U7750 USB Firmware part2 rar