Lenovo E73 Specifikace stáhnout pdf (Strana 49)

•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.

OntheWindows8orWindows8.1operatingsystem,openControlPanelandclickHardwareand

Sound➙Adjustscreenresolution➙AdvancedSettings.ThenclicktheMonitortabandselecta

newrefreshrate.

•Seeyouroperatingsystemdocumentationorhelpforfurtherinformationonmonitorsettings.

Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.See“LenovoSupportWeb

site”onpage32fordetails.

Theimageisdiscolored

Symptom:Theimageisdiscolored.

Action:Themonitormightbeaffectedbyinterferencefromnearbyequipment.Magneticﬁeldsaroundother

devices,suchastransformers,appliances,ﬂuorescentlights,andothermonitorsmightbecausingthe

problem.Moveﬂuorescentdesklightingoranyequipmentthatproducesmagneticﬁeldsfurtherawayfrom

themonitor.Ifthisdoesnotcorrecttheproblem,dothefollowing:

1.Turnoffthemonitor.(Movingacolormonitorwhileitisturnedonmightcausescreendiscoloration.)

2.Adjusttheplacementofthemonitorandotherdevicessothattheyareatleast305mm(12inches)apart.

3.Turnonthemonitor.

Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.See“LenovoSupportWeb

site”onpage32fordetails.

Networkingproblems

Thefollowingarethemostcommonnetworkingproblems.Selectyournetworkingproblemfromthe

followinglist:

•“Ethernetproblems”onpage45

•“AwirelessLANproblem”onpage47

•“Bluetoothproblem”onpage47

Ethernetproblems

ForEthernetproblems,selectyoursymptomfromthefollowinglist:

•“Yourcomputercannotconnecttothenetwork”onpage46

Chapter5.Troubleshootinganddiagnostics45

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Lenovo E73 Specifikace Strana 49