LG Electronics L1972H manual Troubleshooting, OSD Unlocked will appear

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Troubleshooting

Check the following before calling for service.

No image appears

Is the power cord of the display connected?

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

Is the power indicator amber?

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.

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 L1972H On Safety Important PrecautionsOn Cleaning On InstallationOn Repacking On DisposalUnfolding the stand base Connecting the DisplayTilt Range 0˚~30 Ergonomic Folding the stand baseTilt range Scope of adjusting the height maximum 4.02 inches 102 mm To adjust the heightConnect Dsub Cable Mac Using the ComputerTo arrange the cables Front Panel Controls Bottom Control Panel FunctionsControl Function ZoomingAUTO/SET Auto Image AdjustmentScreen Adjustment On Screen Display OSD Control AdjustmentMain menu Sub-menu Reference On Screen Display OSD Selection and AdjustmentPress the Menu Button, then the main menu of the OSD appears Blue REDGreen Setup Language PhaseFactory Reset LanguageText MovieSET UserIs the power cord of the display connected? TroubleshootingDo you see OSD Locked when you push Menu button? OSD Unlocked will appearDisplay image is incorrect Screen color is mono or abnormal Screen blinksSpecifications Indicator Preset Modes ResolutionWall mount plateSeparate purchase Installing the Wall mount plateKensington Security Slot Digitally yours