User`s manual

Table Of Contents
37
Chapter6Troubleshooting
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>intheAdjustment
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.)
• TurnontheAutoEcoViewfunction.Themonitor
detectstheenvironmentalbrightnesstoadjustthe
screenbrightnessautomatically.
4. 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/
Formats”(page13)).
• Use<Smoothing>intheAdjustmentmenutoadjustit
(seeTomodifyblurredcharacters/lines<Smoothing>”
(page18)).
5. 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.
6. Green/red/blue/white dots or defective
dots remain on the screen.
• ThisisduetoLCDpanelcharacteristicsandisnota
failure.
7. Interference patterns or pressure marks
remain on the screen.
• Leavethemonitorwithawhiteorblackscreen.The
symptommaydisappear.
8. Noise appears on the screen. • IntheAdjustmentmenu,set<Overdrive>to“Off”(see
Tosetoverdriveintensity<Overdrive>”(page25)).
• WhenenteringthesignalsofHDCPsystem,the
normalimagesmaynotbedisplayedimmediately.
9. The screen is whitish or blackish. • Use<BlackLevel>(see“Toadjustblacklevel<Black
Level>”(page21))and<Contrast>(seeToadjust
contrast<Contrast>”(page21))in<Others>-<Color
Space>undertheAdjustmentmenutoadjustit.
Imaging problems (for digital only)
Problem Possible cause and remedy
10. The color shown on the display is not
correct (for HDMI input).
• Changethecolorspaceofthevideosignalin
<Others>-<ColorSpace>undertheAdjustmentmenu.
11. The screen ashes (for HDMI input) • Transmittablesignalsdifferonthecategoryofthe
HDMIcable.CheckwhetherthecablesupportHigh
Speed.