Lenovo ThinkCentre E73z - Networking Problems

•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.
Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,see
“AccessingControlPanelontheWindows8orWindows8.1operatingsystem”onpage16
.
•Seeyouroperatingsystemdocumentationorhelpforfurtherinformationonmonitorsettings.
Iftheseactionsdonotcorrecttheproblem,yourmonitormightneedservice.SeeChapter11“Getting
information,help,andservice”onpage77
fordetails.
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.SeeChapter11“Getting
information,help,andservice”onpage77fordetails.
Networkingproblems
Thefollowingarethemostcommonnetworkingproblems.Selectyournetworkingproblemfromthe
followinglist:
•“Ethernetproblems”onpage68
•“AwirelessLANproblem”onpage70
•“AwirelessWANproblem”onpage70
•“Bluetoothproblem”onpage71
Formoreinformation,see“HelpandSupport”onpage77.
Ethernetproblems
ForEthernetproblems,selectyoursymptomfromthefollowinglist:
68ThinkCentreE73zUserGuide