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Chapter7Troubleshooting
7-2. Imaging problems
Problem Possible cause and remedy
1. The screen is too brig ht or too dark. • Use“Brightness”intheAd justmentmenutoadjustit.(The
LCDmonitorbacklighthasalimitedlifespan.)Whenthe
screenbecomesdarkorbeginstoicker,contactyou r
localEIZOrepresentative.)
2. Character s are blurred. • CheckwhetherthePCisconguredtome ettheresolution
andverticalscanfrequencyrequi rementsofthemonitor
(see“CompatibleResolutions/Formats”(page15)).
3. Afterimag es appear. • Afterimagesareparticulart oLCDmonitors.Avoid
displayingthesameimageforalongtime.
• Usethescreensaverorpowersavingfunctiontoavoid
displayingthesameimageforextendedperio dsoftime.
4. Green/red/ blue/white dots or defe ctive
dots remain on the screen .
• ThisisduetoLCDpanelcharacteristicsandisn ota
failure.
5. Interfe rence patterns or pressure m arks
remain on the screen.
• Leavethemonitorwithawhiteorblackscreen.The
symptommaydisappear.
6. Noise appear s on the screen. • IntheAdjustmentmenu,set“Overdrive”to“Off ”(see“2-4.
ConguringMovingImagePerfor mance”(page27)).
• WhenenteringthesignalsofHDCP,thenormalimages
maynotbedisplayedimmediately.
7. (DisplayPort input)
Display position of the wi ndows changes.
• Whenthesignalisswitched,thepositionofth ewindow
maybechanged.IntheAdjustmentmenu,set“DPPower
Save”to“Off”(see“6-3.Set tingDisplayPortPowerSave”
(page45)).
8. (DisplayPort o r HDMI input)
The color shown on the display i s not
correct.
• Use“Screen”-"ColorSpace"undertheAdju stmentmenu
toadjustit(see“2-5.SpecifyingCol orSpace”(page28)).
• ForHDMIsignalinput,changethe“Signa lFormat”setting
(see“Toswitchsignalformats”(page16)).
9. An image does not d isplay on the entire
screen.
• Changethe“ScreenSize”setting(see“Toselectscreen
size”(page18)).