A SERVICE OF

logo

Open as PDF
next previous
31
Chapter4Troubleshooting
Chapter 4 Troubleshooting
If a problem still remains after applying the suggested remedies, contact your local dealer.
• No-picture problems → See No.1 - No.2.
• Imaging problems (digital input) → See No.3 - No.8.
• Imaging problems (analog input) → See No.3 - No.12.
• Other problems → See No.13 - No.16.
• USB problems → See No.17.
Problems Possible cause and remedy
1. No picture
• Powerindicatordoesnotlight.
• Checkwhetherthepowercordisconnectedcorrectly.If
theproblempersists,turnoffthemainpower,andthen
turn it on again a few minutes later.
• Turnthemainpowerswitchon.
• Press
.
• Powerindicatorlightsblue. • Seteachadjustingvaluein[Brightness],[Contrast]and
[Gain] to higher level. (see page 18, 20)
• WhenusingthelongDVIcable,adjusttheDVIinput
level using [DVI Input Level]. (see page 29)
• Powerindicatorlightsorange. • Switchtheinputsignalwith
.
• Operatethemouseorkeyboard.
• CheckwhetherthePCisturnedon.
• Powerindicatorashesorange. • ThereisaprobleminthedevicethatusesDisplayPort
connection.Solvetheproblem,andturnoffthemain
power of the monitor, and then turn it on again. Refer to
the user’s manual of the device that uses DisplayPort
connection for details.
2. The message below appears. This message appears when the signal is not input
correctly even when the monitor functions properly.
• Thismessageappearswhennosignalisinput.
Example:
• Themessageshownleftmayappear,becausesome
PCsdonotoutputthesignalsoonafterpower-on.
• CheckwhetherthePCisturnedon.
• Checkwhetherthesignalcableisconnectedproperly.
• Switchtheinputsignalwith
.
• WhenusingthelongDVIcable,adjusttheDVIinput
level using [DVI Input Level]. (see page 29)
• Themessageshowsthattheinputsignalisoutofthe
speciedfrequencyrange.(Suchsignalfrequencyis
displayed in red.)
Example:
• CheckwhetherthesignalsettingofyourPCmatches
theresolutionandtheverticalfrequencysettingsforthe
monitor. (see page 9)
• RebootthePC.
• Selectanappropriatedisplaymodeusingthegraphics
board’sutility.Refertothemanualofthegraphicsboard
for details.
fD:DotClock
(Displayed only when the digital signal inputs)
fH:HorizontalFrequency
fV:VerticalFrequency
3. The screen is too bright or too dark. • Adjustusing[Brightness]or[Contrast].(TheLCD
monitorbacklighthasaxedlifespan.Whenthescreen
becomesdarkorbeginstoicker,contactyourlocal
dealer.) (see page 18)