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32
Chapter4Troubleshooting
Problems Possible cause and remedy
4. Characters are blurred. • CheckwhetherthesignalsettingofyourPCmatches
theresolutionandtheverticalfrequencysettingsforthe
monitor. (see page 9)
• Adjustusing[Smoothing].(seepage 16)
5. Afterimages appear. • Useascreensaverorofftimerfunctionforalong-time
image display.
• AfterimagesareparticulartoLCDmonitors.Avoid
displaying the same image for a long time.
6. Green/red/blue/white dots or defective dots remain
on the screen.
• ThisisduetoLCDpanelcharacteristicsandisnota
failure.
7. Interference patterns or pressure marks remain on
the screen.
• Leavethemonitorwithawhiteorblackscreen.The
symptom may disappear.
8. Noise appears on the screen. • Whenenteringthesignalsofanaloginput,changethe
settingto“On”in<SignalFilter>fromthe<Screen>
menu.
• WhenenteringthesignalsofHDCPsystem,thenormal
imagesmaynotbedisplayedimmediately.
• WhenusingthelongDVIcable,adjusttheDVIinput
level using [DVI Input Level]. (see page 29)
9. Display position is incorrect.
• Adjustimagepositionsothatitisdisplayedproperly
within the display area using [Position]. (see page 16)
• Iftheproblempersists,usethegraphicsboard’sutilityif
availabletochangethedisplayposition.
10. Vertical bars appear on the screen or a part of the
imageisickering.
• Adjustusing[Clock].(seepage 15)
11. Wholescreenisickeringorblurring.
• Adjustusing[Phase].(seepage 15)
12. Upper part of the screen is distorted as shown
below.
• Thisiscausedwhenbothcompositesync(X-OR)
signal and separate vertical sync signal are input
simultaneously. Select either composite signal or
separate signal.
13. The <Smoothing> icon on the Adjustment menu
<Screen> cannot be selected.
• Smoothingsettingmaynotberequireddependingonthe
display resolution. (You cannot choose the smoothing
icon.)
• <Smoothing>isdisabledwhenthescreenisdisplayedin
the following resolutions.
• 1920×1200
• Select[Enlarged]during<ScreenSize>inthe
resolution of 1600 × 1200.
• Select[Normal]during<ScreenSize>.
14. The adjustment menu does not appear. • Checkwhethertheoperationlockfunctionworks.
(see page 25)
15. The auto adjust function does not work correctly. • Thisfunctiondoesnotworkwhendigitalsignalisinput.
• Thisfunctiondoesnotworkcorrectlywithsomegraphics
boards.