Lenovo E93 Especificações descarregar pdf (Página 49)

Wrongcharactersappearonthescreen

Symptom:Wrongcharactersappearonthescreen.

Action:Havethecomputerserviced.Fordetails,see“LenovoSupportWebsite”onpage32

Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiod

ofcomputerinactivity

Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer

inactivity.

Action:Thecomputerisprobablysetforenergysavingswiththepower-managementfeature.Ifthe

power-managementfeatureisenabled,disablingitorchangingthesettingsmightsolvetheproblem.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical

assistance,see“LenovoSupportWebsite”onpage32

Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustart

someapplicationprograms

Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsome

applicationprograms.

Actions:

•Ensurethatthemonitorsignalcableissecurelyconnectedtothemonitorandthemonitorconnectoron

thecomputer.Aloosecablecancauseintermittentproblems.

•Verifythatthenecessarydevicedriversfortheapplicationprogramsareinstalled.Refertothe

documentationfortheaffectedapplicationprogramtoseeifdevicedriversarerequired.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical

assistance,see“LenovoSupportWebsite”onpage32.

Theimageappearstobeﬂickering

Symptom:Theimageappearstobeﬂickering.

Actions:

•Themonitormightbeoperatinginalow-refreshratedisplaymode.Setthemonitortothehighest,

noninterlacedrefreshratesupportedbyyourmonitorandthevideocontrollerinyourcomputer.

Attention:Usingaresolutionorrefreshratethatisnotsupportedbyyourmonitormightdamageit.

Checkthedocumentationthatcomeswithyourmonitortoverifythesupportedrefreshrates.

•Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticﬁeldsaroundother

devices,suchastransformers,appliances,ﬂuorescentlights,andothermonitorsmightbecausingthe

problem.Moveﬂuorescentdesklightingoranyequipmentthatproducesmagneticﬁeldsfartheraway

fromthemonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:

1.Turnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)

2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)

apart.

3.Turnonthemonitor.

•YoucanresettherefreshratethroughyouroperatingsystemControlPanel:

OntheWindows7operatingsystem,clickStart➙ControlPanel➙HardwareandSound➙Adjust

screenresolution➙AdvancedSettings.ThenclicktheMonitortabandselectanewrefreshrate.

Chapter5.Troubleshootinganddiagnostics45

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Lenovo E93 Especificações Página 49