LG Electronics 24MC37D, 27MP37VQ Troubleshooting, Check the following before calling for service

Page 29

ENGLISH

28TROUBLESHOOTING

TROUBLESHOOTING

Check the following before calling for service.

No image appears

Is the power cord of the display	yy Check and see if the power cord is connected properly to the power
connected?	outlet.
	outlet.
Is the power indicator light on?	yy Press the Power button.
Is the power on and the power	yy Adjust the brightness and the contrast.
indicator White?
Is the power indicator flickering?	yy If the display is in power saving mode, try moving the mouse or
	pressing any key on the keyboard to bring up the screen.
	yy Try to turn on the PC.
Do you see an "OUT OF RANGE"	yy This message appears when the signal from the PC (video card) is
message on the screen?	out of horizontal or vertical frequency range of the display. See the

	'Specifications' section of this manual and configure your display
	again.
Do you see a "NO SIGNAL"	yy When the monitor is on "No-Signal" in 5 minutes, the monitor goes to
message on the screen?	DPM mode.
	DPM mode.

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

Do you see “OSD LOCKED” when	yy You can secure the current control settings, so that they cannot be
you push MENU button?	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.

Display image is incorrect

	Display Position is incorrect.	yy Press the AUTO button to automatically adjust your display image to
		the ideal setting.
	On the screen background, vertical yy Press the AUTO button to automatically adjust your display image to
	bars or stripes are visible.	the ideal setting.
		the ideal setting.
	Any horizontal noise appearing in	yy Press the AUTO button to automatically adjust your display image to
	any image or characters are not	the ideal setting.
	clearly portrayed.	the ideal setting.
	clearly portrayed.	yy Check Control Panel ► Display ► Settings and adjust the display

		to the recommended resolution or adjust the display image to the ideal
		setting. Set the color setting higher than 24 bits (true color).

Image 29

Contents LED LCD Monitor Page Contents License Unpacking Assembling and PreparingEnglish Parts and buttons Moving and Lifting the Monitor Attaching the Stand Base Setting up the Monitor setStand Body Stand Body Stand BasePull out the Stand Body and Stand Base from the monitor set Detaching the Stand BaseCable holder Using the cable holderMounting on a table Front Rear Mounting on a wall Connecting to a PC Using the Monitor SETDVI-D connection SUB connectionHdmi connection Connecting to AV DevicesYySelf Image Setting Function Connecting to External DevicesPeripheral device connection Yy‘AUTO’ FunctionMonitor set Buttons Customizing SettingsPress Menu button on the bottom of the Monitor set Customizing SettingsMenu Settings Hdmi Each option is explained below PictureMenu Next Menu Color Description Gamma ColorAudio DisplayOthers ResolutionReader Setting Smart Energy Saving FUNC. SettingPicture Mode Description Custom Picture ModeColor wizard Dual Display Check the following before calling for service Troubleshooting1080P SettingsSPECIFICATIONS‌ Sync Input Horizontal Video Input Signal InputFrequency Vertical20M37A 20M37D 20M37H 20MP37A Vertical Frequency 22M37A 22M37D 22M37H 22M37HQ 22MC37D SUB 24M37A 24M37D 24M37H 24M37HQ 24MC37D 24M37A 24M37D 24M37H 24M37HQ 27M37D 27MP37HQ 27MP37VQ 27MC37HQ 27M37D 27MP37HQ 27MP37VQ SUB/DVI-D Timing Preset Modes ResolutionHdmi Timing IndicatorProper Posture Proper posture for using the Monitor setDeclaration of Conformity