Lenovo 19 inch LCD monitor menu is locked, how can unlock?
Long press MENU to unlock automaticallyPress the exit key for 10 seconds to OKThis situation should be caused by button leakage (to change, try long, press the menu button for 15 seconds, or press the menu key to insert the power cord.
Menu / exit / / DDC/CI enabled or disabled:1. activate the OSD menu2. when the OSD menu is active, this button is used as the exit key (exiting the OSD menu)3. when the OSD menu is closed, press this button for more than 10 seconds to enable or disable the buttonDDC/CI function
Hello, desktop products usually press the return button 10 seconds to unlock
