LG Electronics L226WU manual Troubleshooting, No image appears

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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 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 L226WU On Safety Important PrecautionsOn Cleaning On InstallationImportant Precaautions On RepackingConnecting the stand base Connecting the DisplayDisassembling the stand Ergonomic Positioning your displayUsing the Computer Use USB programs Connecting the USBUniversal Serial Bus CableUse USB programs Color Quality You can choose 16 bit or 32 bit colors A10 Control Panel Functions Front Panel ControlsOSD LOCKED/UNLOCKED + Buttons Auto Image AdjustmentScreen Adjustment On Screen Display OSD Control AdjustmentUSB On Screen DisplayOSD Selection and AdjustmentPress the Menu Button, then the main menu of the OSD appears RED Contrast GammaGreen BluePosition PhaseReset Language PowerLanguage OSD PositionMovie TextUser No image appears TroubleshootingDisplay image is incorrect Have you installed the display driver? Display SpecificationsA24 Indicator Preset Modes ResolutionWall mount plateSeparate purchase Installing the Wall mount plateDigitally yours