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5-2. Imaging problems
1. The screen is too bright or too dark.
2. Characters are blurred.
3. Afterimages appear.
4. Green/red/blue/white dots or defective
dots remain on the screen.
5. Interference patterns or pressure marks
remain on the screen.
6. Noise appears on the screen.
7. (DisplayPort-1/DisplayPort-2 input)
Display position of the windows changes.
Problem
Possible cause and remedy
• Use"Brightness"or"Contrast"intheAdjustment
menutoadjustit.(TheLCDmonitorbacklighthasa
limitedlifespan.Whenthescreenbecomesdarkor
beginstoflicker,contactyourlocaldealer.)
• Turnonthe"AutoEcoView"functionintheAdjustment
menu.Themonitordetectstheenvironmental
brightnesstoadjustthescreenbrightness
automatically(see"4-3.Enabling/DisablingAutomatic
BrightnessAdjustment"AutoEcoView""(page31)).
• CheckwhetherthePCisconfiguredtomeetthe
resolutionandverticalscanfrequencyrequirements
ofthemonitor(see"2-1.CompatibleResolutions"
(page13)).
• Use"OutlineEnhancer"intheAdjustmentmenuto
adjustit(see"Toenhanceoutlineofimage"Outline
Enhancer""(page19)).
• AfterimagesareparticulartoLCDmonitors.Avoid
displayingthesameimageforalongtime.
• Usethescreensaverorpowersavingfunctionto
avoiddisplayingthesameimageforextendedperiods
oftime.
• ThisisduetoLCDpanelcharacteristicsandisnota
failure.
• Leavethemonitorwithawhiteorblackscreen.The
symptommaydisappear.
• IntheAdjustmentmenu,set"Overdrive"to"Off"
(see"2-5.ConfiguringMovingImagePerformance
"Overdrive""(page21)).
• WhenenteringthesignalsofHDCPsystem,the
normalimagesmaynotbedisplayedimmediately.
• Whenthepowerisswitchedon,thepositionofthe
windowmaybechanged.Thisproblemcanbesolved
byconnectingtheUSBcabletothemonitorandPC.
• Whenthesignalisswitched,thepositionofthe
windowmaybechanged.Thesignalmaynotbe
switchedevenwhenthehotkeythatwasspecified
forScreenManagerProforLCDispressed.Inboth
cases,turnon"DisplayPort-1"or"DisplayPort-2"
using"InputSkip"intheAdjustmentmenu,andskip
thesignalsnottobeused(see"3-9.ToDisableInput
Signal"InputSkip""(page28)).
Chapter5Troubleshooting
35
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