User guide

54
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TROUBLESHOOTING
TROUBLESHOOTING
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Problem Resolution
Istheproductpowercord
connected?


Seeifthepowercordisproperlyconnectedtotheoutlet.
Isthepowerindicatorlighton? 

Seeifthepowerswitchisturnedon.


Mayneedservice.
Powerisonbutthescreen
appearsextremelydark.


Adjustbrightnessandcontrastagain.


Backlightmayneedrepair.
Thepowerindicatorisblinking? 

Iftheproductisinpowersavingmode,movethemouseorpressany
key.


Turnbothdevicesoffandthenbackon.
Doesthe'InvalidFormat'
messageappear?


ThesignalfromthePC(videocard)isoutoftheverticalorhorizontal
frequencyrangeoftheproduct.Adjustthefrequencyrangeby
referringtotheSpecificationsinthismanual.
*Maximumresolution
RGB:1920x1080@60Hz
HDMI/DVI:1920x1080@60Hz
Doesthe'Nosignal'message
appear?


ThesignalcablebetweenPCandproductisnotconnected.Check
thesignalcable.


Pressthe'INPUT'menuintheremoteControltochecktheinput
signal.
'UnknownProduct'messageappearswhentheproductisconnected.
Problem Resolution
Didyouinstallthedriver? 

Seeiftheplug&playfunctionissupportedbyreferringtothevideo
cardusermanual.
'KeyLockOn'messageappears.
Problem Resolution
The'KeyLockOn'message
appearswhenpressingthe
Menubutton.


TheLockfunctionpreventstheOSDsettingsfrombeingchanged
inadvertently.Toreleasethelock,gotoMenuandOptionanddisable
theKeyLockoption.