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• Themessageshowsthattheinputsignalisout
ofthespecifiedfrequencyrange.(Suchsignal
frequencyisdisplayedinmagenta.)
Example:
fD: Dotclock
fH: Horizontalscanfrequency
fV: Verticalscanfrequency
6-2. 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
Problem
Possible cause and remedy
• CheckwhetherthePCisconfiguredtomeetthe
resolutionandverticalscanfrequencyrequirements
ofthemonitor(see"2-1.CompatibleResolutions"
(page14)).
• RebootthePC.
• Selectanappropriatedisplaymodeusingthe
graphicsboard'sutility.RefertotheUser'sManualof
thegraphicsboardfordetails.
Possible cause and remedy
• Use"Brightness"or"Contrast"intheAdjustment
menutoadjustit.(TheLCDmonitorbacklighthasa
limitedlifespan.Whenthescreenbecomesdarkor
beginstoflicker,contactyourlocaldealer.)
• CheckwhetherthePCisconfiguredtomeetthe
resolutionandverticalscanfrequencyrequirements
ofthemonitor(see"2-1.CompatibleResolutions"
(page14)).
• Use"OutlineEnhancer"intheAdjustmentmenuto
adjustit(see"Toenhanceoutlineofimage"Outline
Enhancer""(page20)).
• AfterimagesareparticulartoLCDmonitors.Avoid
displayingthesameimageforalongtime.
• Usethescreensaverorpowersavingfunctionto
avoiddisplayingthesameimageforextendedperiods
oftime.
• ThisisduetoLCDpanelcharacteristicsandisnota
failure.
• Leavethemonitorwithawhiteorblackscreen.The
symptommaydisappear.
• IntheAdjustmentmenu,set"Overdrive"to"Off"
(see"2-6.ConfiguringMovingImagePerformance
"Overdrive""(page22)).
• WhenenteringthesignalsofHDCPsystem,the
normalimagesmaynotbedisplayedimmediately.
• Whenthepowerisswitchedon,thepositionofthe
windowmaybechanged.Thisproblemcanbesolved
byconnectingtheUSBcabletothemonitorandPC.
• Whenthesignalisswitched,thepositionofthe
windowmaybechanged.Turnon"DisplayPort-1"or
"DisplayPort-2"using"InputSkip"intheAdjustment
menu,andskipthesignalsnottobeused(see"3-9.
ToDisableInputSignal"InputSkip""(page28)).
Chapter6Troubleshooting
37
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