User`s manual

36
Chapter5Troubleshooting
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”intheSettingmenuto
adjustit.(TheLCDmonitorbacklighthasalimitedlife
span.Whenthescreenbecomesdarkorbeginsto
icker,contactyourlocaldealer.)
• Ifthescreenistoobright,turnonAutoEcoView
andEcoViewOptimizer.Themonitordetectsthe
environmentalbrightnesstoadjustthescreen
brightnessautomatically.
2. Characters are blurred. • CheckwhetherthePCisconguredtomeetthe
resolutionandverticalscanfrequencyrequirements
ofthemonitor(see“2-1.CompatibleResolutions”
(page13)).
• Use“Smoothing”intheSettingmenutoadjustit(see
“Tomodifyblurredcharacters/lines”(page25)).
3. Afterimages appear. • AfterimagesareparticulartoLCDmonitors.Avoid
displayingthesameimageforalongtime.
• Usethescreensaverorpowersavefunctiontoavoid
displayingthesameimageforextendedperiodsof
time.
4. Green / red / blue / white dots or defective
dots remain on the screen.
• ThisisduetoLCDpanelcharacteristicsandisnota
failure.
5. Interference patterns or pressure marks
remain on the screen.
• Leavethemonitorwithawhiteorblackscreen.The
symptommaydisappear.
6. Noise appears on the screen. • IntheSettingmenu,set“Overdrive”to“Off”(see“To
setoverdriveintensity(EV2335Wonly)”(page21)).
• WhenenteringthesignalsofHDCPsystem,the
normalimagesmaynotbedisplayedimmediately.