LG Electronics M3701C, M4201C, M3201C manual Troubleshooting, No image is displayed

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Troubleshooting

No image is displayed

Is the product power cord connected?

Is the power indicator light on?

Power is on, power indicator is green but the screen appears extremely dark.

the power indicator amber?

Does the 'Out of range' message appear?

Does the 'Check signal cable' message appear?

See if the power cord is properly connected to the outlet.

See if the power switch is turned on.

Adjust brightness and contrast again.

If the product is in power saving mode, move the mouse or press any key.

The signal from the PC (video card) is out of the vertical or horizontal frequency range of the product. Adjust the frequency range by referring

to the Specifications in this manual.

*Maximum resolution - 32 / 37 / 42 inch model RGB : 1600 x 1200 @60Hz HDMI/DVI : 1280 x 1024 @60Hz

The signal cable between PC and product is not connected. Check the signal cable.

Press the 'INPUT' menu in the remote Control to check the input signal.

'Unknown Product' message appears when the product is connected.

Did you install the driver?

Install the product driver, which is provided with the product, or download it from the web site. (http://www.lge.com)

See if the plug&play function is supported by referring to the video card user manual.

'Controls Locked' message appears.

The 'Controls Locked' message appears when pressing the Menu button.

• The control locking function prevents unintentional OSD setting change due to careless usage. To unlock the controls, simultaneously press the Menu button and button for several seconds. (You cannot set this function using the remote control buttons. You can set this function in the product only.)

Note

*Vertical frequency: To enable the user to watch the product display, screen image should be changed tens of times every second like a fluorescent lamp. The vertical frequency or refresh rate is the times of image display per second. The unit is Hz.

*Horizontal frequency: The horizontal interval is the time to display one vertical line. When 1 is divided by the horizontal interval, the number of horizontal lines displayed every second can be tabulated as the horizontal frequency. The unit is kHz.

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Contents M3201C M3701C M4201C Keep away from heat sources like electrical heaters Safety PrecautionsInstall the product in a neat and dry place Do not put heavy objects on the product or sit upon itFix the power cable completely Electrical Power Related PrecautionsPrecautions in Moving the Product Make sure to turn off the productOn Disposal Precautions in Using the ProductDo not shock the product when moving it Do not put or store inflammable substances near the productUsing the Remote Control Name of the Remote Control Buttons a typeInserting batteries into remote control Exit Button Volume Button Check Button Name of the Remote Control Buttons B typeMute button Power On/Off Button AV Button Sleep ButtonUsing the Remote Control To arrange cables in order Applicable only for models that support the standConnecting the Speakers Applicable only for models that support the speakersName and Function of the Parts Rear ViewConnect the power cord Connecting to External DevicesConnect the Audio cable How to connect to two computers Turn on power by pressing the power button on the productOr, press the Input button at the front side of the product Watching RGB Outputs When watching VCR / DVD When watching HDTV/DVD480p/576p/720p/1080i/480i/576i Select ComponentNot included Select HDMI/DVIWatching AV Outputs This feature is not available for all models Attaching the product to a wallSelecting and Adjusting the Screen Name of the Buttons in the Screen Adjustment UnitWhen XGA Mode is active and 1360 X768 is selected ComponentOSD Menu OSDOn Screen DisplayHow to adjust the screen automatically How to adjust the OSD On Screen Display screenUse the remote control to adjust the OSD screen Adjusting Screen Color CSMSelecting and Adjusting the Screen Selecting and Adjusting the Screen Adjusting the audio functionClock Adjusting the timer functionOff / On time Auto sleep Selecting the options Language Child lock ISM Method Set IDTile mode product 1 ~ 4 r2 x c2 Row Column Tile modeTile Mode To use this functionID10 Column Logo Light Demo Power IndicatorReset Tile IDPhase Adjusting Screen CLOCK/PHASE and PositionAuto-config XGA ModeOriginal ResetSpectacle Full 169Troubleshooting No image is displayedScreen image looks abnormal Audio function does not work LCD Panel SpecificationsPower InchInch Net Environmental Video SignalInput Connector ConditionsDTV Mode Vesa wall mounting RS-232CControlling the Multiple Product RS-232CControlling the Multiple Product RS-232CControlling the Multiple Product PowerCommand a Input Select Command b Main Picture InputAspect RatioCommand c Main picture format Screen MuteCommand dVolume MuteCommand e Volume ControlCommand fContrastCommand g BrightnessCommand hColorCommand i Video only TintCommand j Video onlyOSD SelectCommand l SharpnessCommand k Video onlyRemote Lock /Key Lock Command m BalanceCommand t Color Temperature Command uAbnomal state Command z ISM modeCommand j pAuto ConfigureCommand j u KeyCommand m cTile ModeCommand d d Data DescriptionTile H SizeCommand d g Tile V SizeCommand d hTile ID SetCommand d Elapsed time returnCommand d lTemperature value Command d n Lamp fault CheckCommand d pConfiguration of frame Output waveformARC Zoom Auto Confic CodeHexa Function
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M3201C, M3701C, M4201C specifications

The LG Electronics M4201C is a cutting-edge display solution that caters to a variety of commercial and professional applications. This model epitomizes LG's dedication to innovation, quality, and user experience, making it a favored choice for businesses looking to enhance their visual communications.

One of the standout features of the M4201C is its impressive 42-inch screen size, which offers ample workspace and visibility for audiences in various environments. The display boasts an LED backlight technology that ensures vibrant colors and deep contrasts, providing a captivating viewing experience. This is further enhanced by the full HD resolution of 1920x1080 pixels, which delivers crystal-clear images and sharp text, making it suitable for presentations, advertisements, and digital signage.

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Connectivity is a crucial aspect of the M4201C, equipping users with a range of input options such as HDMI, DVI, and USB ports. This versatility allows for easy integration with various devices, whether it be computers, media players, or other multimedia equipment. Additionally, the built-in webOS platform offers intuitive control for managing and scheduling content without the need for additional hardware.

The M4201C also features enhanced durability, built to withstand the rigors of continuous operation in demanding environments. It incorporates a fanless design that promotes silent operation, ensuring that noise distractions are minimized during presentations or events.

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In conclusion, the LG Electronics M4201C integrates advanced features, robust technologies, and superior design, making it an ideal solution for businesses seeking to elevate their visual communications. Its combination of high-quality display performance, ease of use, and durable construction positions the M4201C as a key asset in any commercial setting, from retail spaces to corporate environments.