Lg 29LN450W User Manual download pdf (Page 54)

ENGLISH

TROUBLESHOOTING

TROUBLE SHOOTING

Nothing is displayed on the screen.

Isthemonitor'spowercordplugged

in?





Checkifthepowercordiscorrectlypluggedintothepoweroutlet.

Isthepowerindicatoron?





Checkthepowercableconnectionandpressthepowerbutton.

Isthepowerindicatordisplaying

red?





Checkthattheconnectedinputisenabled(Menu-Input).

Isthepowerindicatorblinking?





Ifthemonitorisinpower-savingmode,movethemouseorpressany

keyonthekeyboardtoswitchthedisplayon.





Checkifthecomputeristurnedon.

Isthe"OUTOFRANGE"message

displayed?





ThisoccurswhensignalstransferredfromthePC(videocard)areout

ofthehorizontalorverticalfrequencyrangeofthemonitor.Please

seethe"ProductSpecification"sectionofthismanualtosetthe

appropriatefrequency.

Isthe"CHECKSIGNAL

CONNECTION"messageis

displayed?





ThisisdisplayedwhenthesignalcablebetweenthePCandthe

monitorismissingordisconnected.Checkthecableandreconnect.

The "OSD LOCKED" message is displayed.

Aresomefunctionsunavailable

whenpressingtheMenubutton?





TheOSDislocked.GotoMenu>Settingsandset"OSDLock"to

Unlock.

The screen retains an image.

Doesimagestickingoccureven

whenthemonitoristurnedoff?





Displayingastillimageforaprolongedtimemaycausedamagetothe

screen,resultingintheretentionoftheimage.





Useascreensavertoprotectthescreenwhenusingthemonitorfora

prolongedperiodoftime.



Vertical Frequency: In order to display an image, the screen must be refreshed dozens of times per

second like a fluorescent lamp.

Thenumberoftimesthescreenisrefreshedpersecondiscalledverticalfrequencyorrefreshrate

andisrepresentedbyHz.



Horizontal Frequency: The time it takes to display one horizontal line is called the horizontal cycle.

The number of horizontal lines displayed in one second

canbecalculatedbydividingonebythehori-

zontalcycle.ThisiscalledhorizontalfrequencyandisrepresentedbykHz.

NOTE



Check if the video card's resolution or frequency is within the range allowed by the monitor and set to

the recommended (optimal) resolution in Control Panel > Display > Settings.



Failing to set the video card to the recommended (optimal) resolution may result in blurred text, a

dimmed screen, a truncated display area or misalignment of the display.



The configuration procedure may differ depending on your computer and/or operating system. Also,

some video cards may not support certain resolutions. If this is the case, contact the manufacturer of

the computer or video card for assistance.



Some video cards may not support the 2560x1080 resolution.

If the resolution cannot be displayed, contact the manufacturer of your video card.

NOTE

The display color is abnormal.

Doesthedisplayappeardiscolored

(16color)?





Setthecolorto24bit(truecolor)orhigher.InWindows,gotoControl

Panel>Display>Settings>ColorQuality.

Doesthedisplaycolorappear

unstableorinmonochrome?





Checkifthesignalcableisconnectedproperly.Reconnectthecable

orreinsertthePC'svideocard.

Aretherespotsonthescreen?





Whenusingthemonitor,pixilatedspots(red,green,blue,whiteor

black)mayappearonthescreen.ThisisnormalfortheLCDscreen.

Itisnotanerrornorisitrelatedtothemonitor'sperformance.

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Lg 29LN450W User Manual Page 54

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