16
Chapter4Troubleshooting
4-2. Imaging problems
Problem Possible cause and remedy
1. The screen is too bright or too dark. • Adjustthebrightness(brilliance)ofthescreen(see“2-
3.AdjustingBrightness(Brilliance)”(page9)).(TheLCD
monitorbacklighthasalimitedlifespan.Whenthescreen
becomesdarkorbeginstoicker,contactyourlocalEIZO
representative.)
2. The screen suddenly became dark. /
The brightness (brilliance) of the screen
cannot be set to or higher than 77% or
60%.
• Themonitoralwaysmonitorsitsinternaltemperature.
Iftheinternalmonitorreachesahightemperatureand
exceedsthespeciedvalue,themonitorwillautomatically
enterthefollowingstatetodecreasethetemperature.
- Ifthebrightness(brilliance)ofthescreenexceeds77%
or60%,reducethesettingvalueto77%or60%.
- Thebrightness(brilliance)ofthescreencannotbesetto
orhigherthan77%or60%.
(Thesettingvalueforbrightness(brilliance)isdivided
into2stepsaccordingtotheinternaltemperatureofthe
monitor.)
Thisstatewillreturntotheoriginalwhentheinternal
temperaturedecreases.
Iftheinternaltemperatureincreasesfurtherevenafter
decreasingthesettingvalueforbrightness(brilliance),a
“WARNING”messageisdisplayedandthemonitorpower
automaticallyturnsoff.(Powerindicatorashesorange.)
3. Characters are blurred. • CheckwhetherthePCisconguredtomeettheresolution
andverticalscanfrequencyrequirementsofthemonitor.
(“CompatibleResolutions”intheSetupManual.)
4. Afterimages appear. • AfterimagesareparticulartoLCDmonitors.Avoid
displayingthesameimageforalongtime.
• Usethescreensaverorpowersavingfunctiontoavoid
displayingthesameimageforextendedperiodsoftime.
5. Green/red/blue/white dots or defective
dots remain on the screen.
• ThisisduetoLCDpanelcharacteristicsandisnota
failure.
6. Interference patterns or pressure marks
remain on the screen.
• Leavethemonitorwithawhiteorblackscreen.The
symptommaydisappear.
7. Noise appears on the screen. • WhenenteringthesignalsofHDCP,thenormalimages
maynotbedisplayedimmediately.
8. Cloudiness cannot be removed even
after wiping the screen. / There is dew
condensation on the interior side of the
glass.
• Whencloudinesscannotberemovedevenbywiping
thescreen,dewcondensationmayhaveoccurredon
theinteriorsideoftheglassthatprotectsthepanel.In
thiscase,turnonthemonitoranddisplaysomething
onscreen.Thedewcondensationwilldisappearafter
awhile.Also,warmingtheglassusingahairdryermay
makethedewcondensationdisappearmorequickly.Dew
condensationappearinglikethisontheinteriorsideofthe
glasswillnotleadtoproductfailureordegradation.