LG LCD Monitors
- Power off the monitor using the power button.
- Press {Left} {Left} {Left} {Right} with the joystick.
- Power on the monitor by pressing on the joystick.
- When the display is on, press the on the joystick to bring up the menu, then select "Menu" instead of the normal settings menu, the service menu will show.
- First turn off the LCD monitor.
- Press and hold the "MENU" button, then turn on the monitor. Release MENU button after the monitor is turned on.
- Press "MENU" button to open the OSD menu, at the bottom of menu, you can see a new selection to go into the factory service mode. Inside the factory service mode, you can see useful information like, product model, manufacturer date, F-ENGINE chipset version, lcd panel number and etc.