26 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 d ark. • Use<Brightness>or<Contrast>intheAdjustmentm enu
toadjustit.(TheLCDmonitorbacklighthasalimitedlife
span.Whenthescreenbecomesdarkorbeginstoic ker,
contactyourlocalEIZOrepresentative.)
• TurnontheAutoEcoViewfunction.Themonitordetects
theenvironmentalbrightnesstoadjustthescreen
brightnessautomatically.
2. Characters are blu rred. • CheckwhetherthePCisconguredtomeettheresoluti on
andverticalscanfrequencyrequirementsofth emonitor
(see“2-1.CompatibleResolutions”(page11)).
• Whenanimageisdisplayedwitharesolutionotherthan
recommended,thecharactersorlinesofthedisplayed
imagemayblur.Use<Smoothing>intheAdjustment
menutoadjustit(see“Tomodifyblurredcharacters/lines”
(page16)).
3. Afterimages ap pear. • 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 defecti ve
dots remain on the screen.
• ThisisduetoLCDpanelcharacteristicsandisnota
failure.
5. Interferenc e patterns or pressure marks
remain on the screen.
• Leavethemonitorwithawhiteorblackscreen.The
symptommaydisappear.
6. The screen is whitish o r blackish. • Use<Contrast>intheAdjustmentmenutoadjustit(see
“Toadjustcontrast”(page18)).
5-3. Imaging problems (for analog only)
Problem Possible cause and remedy
1. Display position is incor rect. • Use<Position>intheAdjustmentmenutocorrectthe
imageposition(see“Tocorrectthescreenposition”(page
15)).
• Iftheproblempersists,usethegraphicsboard’sutilit yif
availabletochangethedisplayposition.
2. Vertical bars app ear on the screen or a
part of the image is ickerin g.
• Use<Clock>intheAdjustmentmenutoadjustit(see“To
eliminateverticalbars”(page14)).
3. Whole screen is icker ing or blurring. • Use<Phase>intheAdjustmentmenutoadjustit(see“To
removeickeringorblurring”(page15)).