16
Chapter4Troubleshooting
4-2. Imaging problems
Problem
Possible cause and remedy
1. The screen is too bright or too dark.
• Adjustthebrightness(brilliance)ofthescreen(see
3.AdjustingBrightness(Brilliance)”(page9)
).(TheLCD
monitorbacklighthasalimitedlifespan.Whenthescreen
becomesdarkorbeginstoflicker,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
exceedsthespecifiedvalue,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.(Powerindicatorflashesorange.)
3. Characters are blurred.
• CheckwhetherthePCisconfiguredtomeettheresolution
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,turnonthemonitoranddisplaysomethingon
screen.Thedewcondensationwilldisappearafterawhile.
4-3. Other problems
Problem
Possible cause and remedy
1. The message below appears on screen.
• “WARNING:Fannotworking”
• Thismessageappearswhenthemonitor’scoolingfanis
notoperatingcorrectly.Checkthestateofthecoolingfan
ontherearofthemonitor.
2. The operation buttons do not work.
• Checkwhethertheoperationlockfunctionisactive(see
“2-6.LockingButtons”(page10)
).Ifthefunctionisactive,
“Locked”isdisplayedonthescreen.
