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Thewirelesskeyboarddoesnotwork

Symptom:Thewirelesskeyboarddoesnotwork.

Action:IftheTransceiverCommunicationsLEDisonandthewirelessKeyboarddoesnotwork,restartyour

computer.Ifrestartingyourcomputerdoesnotsolvetheproblem,verifythatthefollowingconditionsaremet:

•Thebatteriesareproperlyinstalled.

•Thebatteriesstillretaintheircurrent.

•ThewirelessKeyboardislocatedlessthan10metersawayfromthetransceiver.

•Thetransceiverisfullyinstalled.

Action:IftheTransceiverCommunicationsLEDisnoton,reconnectthetransceiverandthekeyboard.

Monitorproblems

Note:Manymonitorshavestatus-indicatorlightsandbuilt-incontrolsforadjustingbrightness,contrast,

width,height,andotherpictureadjustments.However,thecontrolsvaryfrommonitortypetomonitortype.

Forinformationaboutthestatuslightsandusingthecontrols,refertothedocumentationthatcomes

withyourmonitor.

Selectyoursymptomfromthefollowinglist:

•“Wrongcharactersappearonthescreen”onpage109

•“Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer

inactivity”onpage109

•“Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsomeapplication

programs”onpage109

•“Theimageappearstobeﬂickering”onpage110

•“Theimageisdiscolored”onpage110

Wrongcharactersappearonthescreen

Symptom:Wrongcharactersappearonthescreen.

Action:Havethecomputerserviced.Fordetails,seeChapter11“Gettinginformation,help,andservice”on

page121.

Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiod

ofcomputerinactivity

Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankaftersomeperiodofcomputer

inactivity.

Action:Thecomputerisprobablysetforenergysavingswiththepower-managementfeature.Ifthe

power-managementfeatureisenabled,disablingitorchangingthesettingsmightsolvetheproblem.

Iftheseactionsdonotcorrecttheproblem,runthediagnosticprograms(see“Diagnosticprograms”on

page118forinstructions).Ifyouneedtechnicalassistance,seeChapter11“Gettinginformation,help,and

service”onpage121.

Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustart

someapplicationprograms

Symptom:Themonitorworkswhenyouturnonthecomputer,butgoesblankwhenyoustartsome

applicationprograms.

Chapter10.Troubleshootinganddiagnostics109

Lenovo 10AU User Manual

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