42
Chapter7Troubleshooting
7-2. Imaging problems
Problem
Possible cause and remedy
1. The screen is too bright or too dark.
• Use“Brightness”intheAdjustmentmenutoadjustit.(The
LCDmonitorbacklighthasalimitedlifespan.)Whenthe
screenbecomesdarkorbeginstoflicker,contactyour
localEIZOrepresentative.)
2. Characters are blurred.
• CheckwhetherthePCisconfiguredtomeettheresolution
andverticalscanfrequencyrequirementsofthemonitor
(see
“2-1.SettingResolution”(page15)
).
3. Afterimages appear.
• AfterimagesareparticulartoLCDmonitors.Avoid
displayingthesameimageforalongtime.
• Usethescreensaverorpowersavingfunctiontoavoid
displayingthesameimageforextendedperiodsoftime.
4. Green/red/blue/white dots or defective
dots remain on the screen.
• ThisisduetoLCDpanelcharacteristicsandisnota
failure.
5. Interference patterns or pressure marks
remain on the screen.
• Leavethemonitorwithawhiteorblackscreen.The
symptommaydisappear.
6. Noise appears on the screen.
• IntheAdjustmentmenu,set“Overdrive”to“Off”(see
ConfiguringMovingImagePerformance”(page26)
).
• WhenenteringthesignalsofHDCP,thenormalimages
maynotbedisplayedimmediately.
7. (DisplayPort input)
Display position of the windows changes.
• Whenthesignalisswitched,thepositionofthewindow
maybechanged.IntheAdjustmentmenu,set“DPPower
Save”to“Off”(see
“6-5.SettingDisplayPortPowerSave”
).
8. (DisplayPort or HDMI input) The color
shown on the display is not correct.
• Use“Screen”-"ColorSpace"undertheAdjustmentmenu
toadjustit.
• ForHDMIsignalinput,changethe“SignalFormat”setting
(see
“Toswitchsignalformats”(page16)
).
9. An image does not display on the entire
screen.
• Changethe“ScreenSize”setting(see
).