LG Electronics L1942S, L1742S manual Troubleshooting, Is the power cord of the display connected?

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Troubleshooting

Check the following before calling for service.

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Is the power cord of the display connected?

Is the power indicator light on?

Is the power on and the power indicator blue or green?

Is the power indicator flickering?

Do you see an "OUT OF RANGE" message on the screen?

Do you see a "CHECK SIGNAL CABLE" message on the screen?

Check and see if the power cord is connected properly to the power outlet.

Press the Power button.

Adjust the brightness and the contrast.

If the display is in power saving mode, try moving the mouse or pressing any key on the keyboard to bring up the screen.

Try to turn on the PC.

This message appears when the signal from the PC (video card) is out of horizontal or vertical frequency range of the display. See the 'Specifications' section of this manual and configure your display again.

This message appears when the signal cable between your PC and your display is not connected. Check the signal cable and try again.

Do you see a "OSD LOCKED" message on the screen?

Do you see “OSD LOCKED” when you push MENU button?

You can secure the current control settings, so that they cannot be inadvertently changed. You can unlock the OSD controls at any time by pushing the MENU button for several seconds: the message

“OSD UNLOCKED” will appear.

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Contents L1742S L1942S Important Precautions On SafetyOn Installation On Cleaning On RepackingOn Disposal Connecting the Display Connecting the standDisassembling the stand Positioning your display ErgonomicUsing the Computer Mac adapterControl Control Panel FunctionsFront Panel Controls Menu ButtonAuto Image Adjustment On Screen Display OSD Control Adjustment Screen AdjustmentOn Screen DisplayOSD Selection and Adjustment Menu Name Button Tip Icons Sub-menus RED PresetBrightness Contrast Gamma GreenClock Phase TrackingLanguage PowerFactory Reset OSDMovie User UserIs the power indicator flickering? TroubleshootingIs the power cord of the display connected? Do you see OSD Locked when you push Menu button?Display image is incorrect Screen blinks Screen color is mono or abnormalSpecifications A21 Specifications Preset Modes ResolutionIndicator Installing the Wall mount plate Wall mount plateSeparate purchaseKensington Security Slot Digitally yours