LG Electronics 72WX70MF owner manual Troubleshooting, No image is displayed, Problem Resolution

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	TROUBLESHOOTING 51
TROUBLESHOOTING
No image is displayed

Problem	Resolution
Is the product power cord	yy See if the power cord is properly connected to the outlet.
connected?
Is the power indicator light on?	yy See if the power switch is turned on.
	yy May need service.
Power is on, power indicator	yy Adjust brightness and contrast again.
is red but the screen appears	yy Backlight may need repair.
extremely dark.
The power indicator amber?	yy If the product is in power saving mode, move the mouse or press any
	key.
	yy Turn both devices off and then back on.
Does the 'Out of range'	yy The signal from the PC (video card) is out of the vertical or horizontal
message appear?	frequency range of the product. Adjust the frequency range by
	referring to the Specifications in this manual.
	* Maximum resolution
	RGB, HDMI, DVI-D, Display Port: 1920 x 1080 @ 60 Hz
Does the 'Check signal cable'	yy The signal cable between PC and product is not connected. Check
message appear?	the signal cable.
	yy Press the INPUT menu in the remote Control to check the input signal.
	yy There may be a poor signal transmission occurring intermittently
	between the external device and LG monitor set. Disconnect the
	signal cable and then reconnect it. Turn the external device or the LG
	monitor set off and then on again.

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

Problem	Resolution
Did you install the driver?	yy Install the product driver, which is provided with the product, or
	download it from the web site. (http://www.lg.com)
	yy See if the plug&play function is supported by referring to the video
	card user manual.

ENGLISH

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Contents Monitor Signage Table of Contents Licenses Accessories Remote Control and Batteries Power CordAssembling and Preparing Illuminance sensor IR Receiver Power Indicator Parts and ButtonsConnection Panel Connection panel Pemnut Not to be Used Portrait LayoutNumber and Alphabet Buttons Remote ControlVolume Up / Down A ButtonViewing from any menu Selects the Tile ModeNavigation Buttons Scrolls through menus or Returns to MonitorConnecting to a PC Using the MonitorDVI-D Connection RGB ConnectionDisplay Port Connection Hdmi ConnectionAdjusting the Screen Selecting an Image ModeCustomizing Image Options Adjusting the Sound Selecting an Sound ModeCustomizing PC Display Options Using Additional Options Adjusting Aspect RatioCustomizing Sound Options Just Scan Display Port Using the Input ListSelecting an input source ComponentConnecting to a Wired Network Select IP Auto Setting or IP Manual SettingEntertainment Network Status Tips for Network settingConnecting USB Storage Devices Browsing Files Supported File Formats Viewing MoviesEnergy Video Play., Set Video. or Set Audio. Not affect Photo List and Music ListMusic List excluding Movie List Subtitle Menu Description Picture SizeAudio LanguageViewing Photos Exit the Mark ModeUsing Photo Options Photo OptionsOption Description Transition Effect Option Mark all music files on the screen Listening to MusicMenu Description Display the selected music fileControl playback by using the following buttons Button DescriptionEnergy Saving button Viewing the Contents List DivX VOD Registration DivX VOD GuideDivX VOD Deregistration Using PIP/PBPSelect Movie List or Photo List from My MediaMovie List Customizes the general Customizing SettingsAccessing Main Menus SettingsMode Vivid Picture SettingsEnables or disables the luminance maintenance function Maintenance Picture ModePicture Mode Options Clear White Setting Description Dynamic ContrastDynamic Color Off/High/LowPress the navigation buttons to scroll to Audio and press Press Menu to access the main menusPress the navigation buttons to scroll to the setting or Sound Mode OptionsMinutes Time SettingsTo prevent overload Auto offOption Settings PC Size Setting Description Tile ModeOption Mode PC PositionInfo Portrait Mode Setting Description USB ContentRecovery Product/ServiceEnglish Tile Mode Tile Mode Natural ModePosition Top left Bottom left Size Top right Bottom right1920x1080 Network Settings Making Connections Not included YyUse a High Speed Hdmi Cable Component ConnectionAV Cvbs Connection Connecting to a USBConnecting to the LAN Mode Daisy Chain MonitorsTroubleshooting Problem ResolutionNo image is displayed Audio function does not work Problem Resolution Screen image looks abnormalAfter-image appears on the product Screen color is abnormal Specifications Applicable only for models that support the speakers RGB PC supported mode DTV ModeHDMI,DVI-D,Display Port PC supported mode Code Hexa Function IR CodesCommunication Parameter Connecting the CableRS-232C Configurations Controlling the Multiple ProductHexadecimal Command Reference ListEnglish Transmission / Receiving Protocol TransmissionAcknowledgement Picture Mode Command d x To select the Picture Mode Power Command k aInput Select Command x b Energy Saving Command j q To set the Energy Saving functionBrightness Command k h Tint Command k j Sharpness Command k kColor Command k Position Command f q Balance Command k t To adjust the sound balance Position Command f rSize Command f s Auto Configuration Command j uTo control the Volume Mute on/off Bass Command k s Volume Control Command k fSpeaker Command d Volume Mute Command k eAcknowledgement Set ID OK/NGData1Data2Data3x On Timer Input Command f u Sleep Time Command f f Power On Delay Command f hAutomatic Standby Command m n Language Command f i To set the language for OSD ISM mode Command j pFail Over Select Command m i To set the Fail Over function Tile ID Command d Reset Command f kTile Mode Command d d Tile V Size Command d h To adjust the Tile Vertical size Tile H Size Command d gNatural Mode In Tile Mode Command d j DPM Select Command f jOSD Select Command k l Command k mKey Command m c Temperature Value Command d nSerial No.Check Command f y To check the Serial Numbers Elapsed time return Command d l To check the panel used timeBacklight Command m g PC Power Control Command d tPC Power Command d s Control the PC power English Model