Press and hold down the physical button located directly on the TV keypad (not the remote).

The standby light is on (red), but the TV does not respond to the remote or physical power button. Prerequisites Before Flashing

3-in-1 integrated network board (Power, Logic, LED Driver)

If your image appears completely scrambled or divided into columns after a fresh upgrade, you must swap your old EEPROM chip data over or boot into the service menu using code combinations (such as pressing Menu + 1147 via your remote control) to alter the LVDS configuration.

Insert the prepared USB flash drive into the slot (or any available slot if not labeled) of the TV.

If your TV is stuck on the logo, looping, or experiencing app crashes, a firmware flash may resolve the issue.