Toshiba 37XV635D Service Manual page 192

3. Connect the USB drive to the USB port on the side panel.
4. Press and hold the menu button on the control panel of the TV set.
5. Plug in the TV and watch the LEDs on the front of the TV set.
a. After several seconds, the orange PowerOn/Standby LED and the green OnTimer
LED light is on, indicating that the TV set is being updated.
b. Once the update started, release the menu button.
6. When only the PowerOn/Standby LED is turned to green, the update has completed
successfully.
If the update is unsuccessful, the PowerOn/Standby LED is red.
7. Unplug the TV set.
8. Disconnect the USB drive.