User Guide

3-9
Chapter 3: General Instruction
3.3 Troubleshooting (FAQ)
Problem Possible Solution
PowerLEDisnotON
• Pressthe buttontocheckifthemonitorisinthe
ONmode.
• Checkifthepowercordisproperlyconnectedtothe
monitorandthepoweroutlet.
ThepowerLEDlightsamberand
thereisnoscreenimage
• Checkifthemonitorandthecomputerareinthe
ONmode.
• Makesurethesignalcableisproperlyconnected
themonitorandthecomputer.
• Inspectthesignalcableandmakesurenoneofthe
pinsarebent.
• Connectthecomputerwithanotheravailable
monitortocheckifthecomputerisproperlyworking.
Screenimageistoolightordark • AdjusttheContrastandBrightnesssettingsvia
OSD.
Screenimageisnotcenteredor
sizedproperly
• Pressthe buttonfortwosecondsto
automaticallyadjusttheimage.
• AdjusttheH-PositionorV-Positionsettingsvia
OSD.
Screenimagebouncesorawave
patternispresentintheimage
• Makesurethesignalcableisproperlyconnectedto
themonitorandthecomputer.
• Moveelectricaldevicesthatmaycauseelectrical
interference.
Screenimagehascolordefects
(whitedoesnotlookwhite)
• Inspectthesignalcableandmakesurethatnoneof
thepinsarebent.
• PerformResetviaOSD.
• AdjusttheR/G/BcolorsettingsorselecttheColor
TemperatureviaOSD.
Screenimageisblurryorfuzzy
• Pressthe buttonfortwosecondsto
automaticallyadjusttheimage(forVGAmodeonly).
• AdjustthePhaseandClocksettingsviaOSD.
Nosoundorsoundislow
(FormodelVS228HR,VS238HR,
VS247HR,VS247HV)
• Makesuretheaudiocableisproperlyconnectedto
the monitor.
• Adjustthevolumesettingsofbothyourmonitorand
computer.
• Makesurethecomputersoundcarddriveris
properlyinstalledandactivated.