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Chapter5Troubleshooting
5-2. Imaging problems (for both digital and analog)
Problem
Possible cause and remedy
1. The screen is too bright or too dark.
• Use“Brightness”or“Contrast”intheSettingmenuto
adjustit.(TheLCDmonitorbacklighthasalimitedlife
span.Whenthescreenbecomesdarkorbeginsto
flicker,contactyourlocaldealer.)
• Ifthescreenistoobright,turnonAutoEcoView
andEcoViewOptimizer.Themonitordetectsthe
environmentalbrightnesstoadjustthescreen
brightnessautomatically.
2. Characters are blurred.
• CheckwhetherthePCisconfiguredtomeetthe
resolutionandverticalscanfrequencyrequirements
ofthemonitor(see
“2-1.CompatibleResolutions”
).
• Use“Smoothing”intheSettingmenutoadjustit(see
“Tomodifyblurredcharacters/lines”(page25)
).
3. Afterimages appear.
• AfterimagesareparticulartoLCDmonitors.Avoid
displayingthesameimageforalongtime.
• Usethescreensaverorpowersavefunctiontoavoid
displayingthesameimageforextendedperiodsof
time.
4. Green / red / blue / white dots or defective
dots remain on the screen.
• ThisisduetoLCDpanelcharacteristicsandisnota
failure.
5. Interference patterns or pressure marks
remain on the screen.
• Leavethemonitorwithawhiteorblackscreen.The
symptommaydisappear.
6. Noise appears on the screen.
• IntheSettingmenu,set“Overdrive”to“Off”(see
“To
setoverdriveintensity(EV2335Wonly)”(page21)
).
• WhenenteringthesignalsofHDCPsystem,the
normalimagesmaynotbedisplayedimmediately.
