: Turn off the TV and insert the USB drive into the USB 1 port. Initiate Update :
: Using the wrong firmware version can cause the display to be inverted. P75-2841v6.0 Firmware
: The screen may remain black during the update, which usually takes about 3–5 minutes. Do not power off the TV until the LED stops blinking and the TV restarts automatically. Troubleshooting Common Issues : Turn off the TV and insert the