LG 29EA73 - Color and Screen Artifacts

34
ENG
ENGLISH
TROUBLESHOOTING
TROUBLESHOOTING
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appropri-
atefrequency.
Isthe"CHECKSIGNALCONNEC-
TION"messageisdisplayed?


ThisisdisplayedwhenthesignalcablebetweenthePCandthemoni-
tor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