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User Manual - Page 24

For N1910LZ-BF.

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24
ENG
English
Troubleshooting
TROUBLESHOOTING
Nothing is displayed on the screen
Isthemonitor'spowercordpluggedin?
Checkifthepowercordiscorrectlypluggedintotheoutlet.
Isthepowerindicatoron?
Checkthepowerindicator.
Isthepowerindicatordisplayingas
white?
Adjustthebrightnessandthecontrast.
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CABLE"
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.
Isthe"OSDLOCKED"message
displayedwhentheMENUbuttonis
pressed?
TheOSDlockfeatureisenabledtopreventundesiredmodification
oftheOSDsettings.PressandholdtheMENUbuttonforacoupleof
secondstounlocktheOSD.(The"OSDUNLOCKED"messagewillbe
displayed.)
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horizontalcycle.Thisiscalledhorizontalfrequencyandis
representedbykHz.
NOTE
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