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Chapter6Troubleshooting
Imaging problems (for both digital and analog)
Problem
Possible cause and remedy
3. The screen is too bright or too dark.
• Use“Brightness”or“Contrast”intheSettingmenuto
adjustit.(TheLCDmonitorbacklighthasalimitedlife
span.Whenthescreenbecomesdarkorbeginsto
flicker,contactyourlocaldealer.)
• TurnontheAutoEcoViewfunction.Themonitor
detectstheenvironmentalbrightnesstoadjustthe
screenbrightnessautomatically.
4. Characters are blurred.
• CheckwhetherthePCisconfiguredtomeetthe
resolutionandverticalscanfrequencyrequirements
ofthemonitor(see
).
• Use“Smoothing”intheSettingmenutoadjustit(see
“Tomodifyblurredcharacters/lines“Smoothing””
(page27)
).
5. Afterimages appear.
• AfterimagesareparticulartoLCDmonitors.Avoid
displayingthesameimageforalongtime.
• Usethescreensaverorpowersavefunctiontoavoid
displayingthesameimageforextendedperiodsof
time.
6. Green/red/blue/white dots or defective
dots remain on the screen.
• ThisisduetoLCDpanelcharacteristicsandisnota
failure.
7. Interference patterns or pressure marks
remain on the screen.
• Leavethemonitorwithawhiteorblackscreen.The
symptommaydisappear.
8. Noise appears on the screen.
• IntheSettingmenu,set“Overdrive”to“Off”(see
setoverdriveintensity“Overdrive””(page23)
).
• WhenenteringthesignalsofHDCPsystem,the
normalimagesmaynotbedisplayedimmediately.
9. The screen is whitish or blackish.
• Use“ColorSpace”ofthe“Screen”submenu(forthe
HDMIinput),“BlackLevel”(see
),and“Contrast”(see
contrast“Contrast””(page17)
)intheSettingmenuto
adjustit.
Imaging problems (for digital only)
Problem
Possible cause and remedy
10. The color shown on the display is not
correct (for HDMI input).
• Changethecolorspaceofthevideosignalin“Screen”
-“ColorSpace”undertheSettingmenu.
11. The screen flashes (for HDMI input)
• Transmittablesignalsdifferonthecategoryofthe
HDMIcable.CheckwhetherthecablesupportHigh
Speed.