LG Electronics 27MP55HQ, 23MP55H Troubleshooting, No image appears, Display image is incorrect

Page 25

ENGLISH

24TROUBLESHOOTING

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 25

Contents IPS LED Monitor Page Contents Assembling and Preparing Power Cord AC-DC Adapter Depending on the countryUnpacking SUB Cable Hdmi Cable CardParts and buttons Moving and Lifting the Monitor Attaching the Stand Base Setting up the Monitor setStand Body Stand Base Pull out the Stand Body and Stand Base from the monitor set Detaching the Stand BaseMounting on a table Using the cable holderCable holder Front Rear Mounting on a wall Connecting to a PC Using the Monitor SETSUB connection Hdmi connectionConnecting to External Devices Connecting to AV DevicesYySelf Image Setting Function Peripheral device connectionMonitor set Buttons Customizing SettingsExit Menu Settings Customizing SettingsHdmi Menu Next Menu Picture Description Sharpness PictureMenu Next Menu Color Description Gamma ColorColor Temp Custom HueAudio DisplayNoise and clear or sharpen the image of characters Others Set will automatically switch to standby modeReader Setting Off Disables Super Energy Saving FUNC. SettingSuper Energy Saving HighPicture Mode Description Custom Picture ModeVivid Super RESOLUTION+Off MiddleDual WEB Dual DisplayNo image appears TroubleshootingDo you see a OSD Locked message on the screen? Display image is incorrect1080P SettingsScreen is flickering 22MP55HQ Specifications23MP55HQ/23MP55H 24MP55HQ 27MP55HQ Indicator Preset Modes ResolutionProper Posture Proper posture for using the Monitor setDeclaration of Conformity