LG Monitors include a setup overlay that adjusts various settings of the monitor, such as brightness, contrast, color, screen ratio and volume, even when it's disconnected from a computer. You are free to adjust these settings without fear of permanently impairing the display, because LG included a Reset function in addition to this myriad of controls. Selecting this option erases any adjustments you've made and restores the monitor's factory default condition.
Models IPS237L, IPS277L, IPS224V and IPS234V
Press the "Menu" button on the bottom of your LG monitor.
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Press the arrow buttons to highlight "Reset."
Press the arrow keys to select "Yes" to reset the monitor.
Models 29EA93 and 29EB93
Press the "Menu" button on the button of your LG monitor.
Use the arrow buttons to highlight the "Reset" option and then press the "OK" button to select it.
Press the left or right arrow keys to immediately reset the monitor.