Name: Lenovo 10A4
Brand: Lenovo
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AwirelessWANproblem

Message:UnauthorizedWANcardispluggedin-PoweroffandremovetheWANcard.

Action:Thewideareanetwork(WAN)cardisnotsupportedonthiscomputer.Removeit.

Note:AwirelessWANcardissupportedonlyonsomecomputermodels.

Bluetoothproblem

Symptom:SounddoesnotcomefromtheBluetoothheadsetorheadphonebutcomesfromthelocal

speakereventhoughtheheadsetorheadphoneisconnectedusingtheHeadsetproﬁleorAVproﬁle.

Action:Dothefollowing:

1.Exittheapplicationthatusesthesounddevice(forexample,WindowsMediaPlayer).

2.OpenControlPanel.

Note:FordetailedinformationonhowtoopenControlPanelonWindows8andWindows8.1,see

“AccessingControlPanelontheWindows8orWindows8.1operatingsystem”onpage22

3.ClickHardwareandSound➙Sound.

4.SelectthePlaybacktab.

5.IfyouareusingtheHeadsetproﬁle,selectBluetoothHands-freeAudioandclicktheSetDefault

button.IfyouareusingtheAVproﬁle,selectStereoAudioandclicktheSetDefaultbutton.

6.ClickOKtoclosetheSoundwindow.

Optionproblems

UsethisinformationtodiagnoseproblemswithLenovohardwareoptionsthatdonothavetheirown

troubleshootinginformation.

Selectyoursymptomfromthefollowinglist:

•“Anoptionthatwasjustinstalleddoesnotwork”onpage145

•“Anoptionthatpreviouslyworkeddoesnotworknow”onpage145

Anoptionthatwasjustinstalleddoesnotwork

Symptom:Anoptionthatwasjustinstalleddoesnotwork.

Action:Verifythat:

•Theoptionisdesignedforyourcomputer.

•Youfollowedtheinstallationinstructionssuppliedwiththeoptionandtheinstallationinstructionsprovided

withyourcomputer,andalloptionﬁles(suchasdevicedrivers,ifrequired)areinstalledcorrectly.

•Youhavenotloosenedotherinstalledoptionsorcables.

•Iftheoptionisanadapter,youhaveprovidedenoughhardwareresourcesfortheadaptertofunction

correctly.Seethedocumentationsuppliedwiththeadapter(aswellasthedocumentationforanyother

installedadapters)todeterminetheresourcesrequiredforeachadapter.

Iftheseactionsdonotcorrecttheproblem,runtheLenovoSolutionCenterprogram.Ifyouneedtechnical

assistance,seeChapter11“Gettinginformation,help,andservice”onpage151

Anoptionthatpreviouslyworkeddoesnotworknow

Symptom:Anoptionthatpreviouslyworkeddoesnotworknow.

Chapter10.Troubleshootinganddiagnostics145

Lenovo 10A4 User Manual

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